Phase B of the ADM cycle is the Business Architecture phase. It describes the development of a Business Architecture to support an agreed Architecture Vision. The objectives of this phase are to describe the baseline and target Business Architecture, identify candidate Architecture Roadmap components based on gaps between the baseline and target, and determine whether an incremental approach is required. Reference:
The TOGAF Standard | The Open Group Website, Section 3.2.2 Phase B: Business Architecture.

According to the TOGAF standard, the deliverables that match the descriptions are as follows:
1 Architecture Principles: These are general rules and guidelines, intended to be enduring and seldom amended, that inform and support the way in which an organization sets about fulfilling its mission1. They reflect a level of consensus among the various elements of the enterprise, and form the basis for making future IT decisions1.
2 Architecture Contracts: These are the joint agreements between development partners and sponsors on the deliverables, quality, and fitness-for-purpose of an architecture2. They are used to ensure that the architecture is implemented and governed according to the agreed-upon specifications and standards2.
3 Request for Architecture Work: This is a document that is sent from the sponsoring organization to the architecture organization to trigger the start of an architecture development cycle3. It defines the scope, schedule, budget, deliverables, and stakeholders of the architecture project3.
4 Architecture Requirements Specification: This is a set of quantitative statements that outline what an implementation project must do in order to comply with the architecture4. It defines the requirements for each architecture domain, as well as the relationships and dependencies among them4.
1: Architecture Principles 2: Architecture Contracts 3: Request for Architecture Work 4: Architecture Requirements Specification

Comprehensive and Detailed Explanation
The question is about a deliverable that:
* Is first created in Phase A: Architecture Vision.
* Is updated in Phase E: Opportunities and Solutions.
* Helps the architect understand both the baseline and the target for the enterprise.
Let's review each option:
* A. Architecture Contracts
* These are created in Phase G: Implementation Governance.
* They formalize agreements between architecture and implementation teams, but are not produced in Phase A.
* Incorrect.
* B. Capability Assessment
* In Phase A, the Capability Assessment is produced to assess the organization's current capability maturity and to identify strengths and weaknesses (baseline).
* In Phase E, it is updated to reflect the required target capability and to inform planning of the work packages and Transition Architectures.
* This deliverable helps architects understand both baseline and target capability for the enterprise.
* Correct.
* C. Consolidated Gaps, Solutions, and Dependencies Matrix
* This is produced in Phase E to consolidate results from Gap Analysis across Phases B, C, and D.
* It is not started in Phase A, so it does not meet the condition.
* Incorrect.
* D. Stakeholder Map
* This is produced in Phase A as part of stakeholder management.
* It is not updated in Phase E, and it does not directly address baseline vs. target capability.
* Incorrect.
Correct Mapping
The deliverable that fits all three conditions is the Capability Assessment (B).
References
* The Open Group, TOGAF Standard, Version 9.2, Part II: ADM - Phase A (Capability Assessment as an input to the Architecture Vision) and Phase E (updated Capability Assessment to guide Opportunities and Solutions).
* The Open Group, TOGAF 9 Certified Study Guide - description of Capability Assessment as a baseline/target capability comparison tool.

Comprehensive and Detailed In-Depth Explanation from Expert in Enterprise Architecture, guiding in TOGAF and ArchiMate:
ADM Phase F (Migration Planning) focuses on finalizing the Architecture Roadmap and Implementation and Migration Plan and ensuring they are viable, cost-effective, and clearly understood by decision-makers.
Phase F key objectives include:
* Finalizing the Architecture Roadmap
* Finalizing the Implementation and Migration Plan
* Ensuring costs, benefits, risks, and dependencies of work packages and Transition Architectures are understood
* Gaining approval for implementation sequencing and priorities
Why Option A is correct:
* Objective 3 directly states the finalization of the Architecture Roadmap and supporting Implementation and Migration Plan, which is a core Phase F responsibility.
* Objective 4 aligns with Phase F's requirement to ensure that business value, cost, and trade-offs are understood by stakeholders prior to implementation approval.
Why the other options are incorrect:
* Objective 1 belongs primarily to Phase E (Opportunities and Solutions), where incremental delivery and Transition Architectures are identified.
* Objective 2 also belongs to Phase E, where the initial complete Architecture Roadmap is generated from Phases B, C, and D outputs.
Authoritative TOGAF References:
* TOGAF ADM Phase F - Migration Planning
* TOGAF Architecture Roadmap and Implementation and Migration Plan

The Architecture Requirements Repository stores all the requirements that are output of the architecture development cycle, as well as the requirements that are input to the architecture development cycle1. The Architecture Requirements Repository includes the following types of requirements1:
*Stakeholder Requirements: These are the high-level requirements and expectations of the stakeholders, derived from the business drivers, goals, and objectives. They are captured and refined in the Architecture Vision phase and the Requirements Management phase.
*Architecture Requirements: These are the detailed requirements that specify what the architecture must do or deliver to meet the stakeholder requirements. They are derived and refined in the Business, Information Systems, and Technology Architecture phases.
*Implementation and Migration Requirements: These are the detailed requirements that specify what the implementation and migration projects must do or deliver to realize the architecture. They are derived and refined in the Opportunities and Solutions and Migration Planning phases.
The Architecture Requirements Repository is used to manage the architecture requirements throughout the architecture lifecycle, ensuring their traceability, consistency, and compliance1. The Architecture Board is the authority that reviews and approves the architecture requirements, as well as the architecture deliverables and artifacts, as part of the architecture governance process2.
References: 1: Architecture Requirements Repository 2: Architecture Board