PMI Exam PMI-PBA Topic 8 Question 43 Discussion

A project team has been assembled to reduce production costs. The business analyst is working with the project team to review and approve requirements. A stakeholder from the assembly line area has an issue with one of the requirements since it is dependent on using existing equipment that is set to be retired within the next six months.

Which of these techniques would the business analyst use to manage issues identified by stakeholders with requirements to ensure that those issues are resolved?