Explanation
The cohesive attribute demands that all requirements in a set or model support its overall purpose and scope.
Answer D is incorrect. Consistent requirements ensure that individual requirements do not contradict each
other or describe the same requirement using different wording.
Answer A is incorrect. The entire set of requirements should represent all relevant requirements.
Answer C is incorrect. Correct requirements acknowledge that defects in requirements will lead to defects in
the resulting solution.

Explanation
User stories are a brief description of functionality that users need from a solution to meet a business objective.
Answer C, B, and D are incorrect. These are not valid definitions of user stories.