The test plan achieves the objective of _______

The test plan achieves the objective of _______
Answer 1 Everybody concerned with the project being in sync with respect to the scope, responsibilities, deadlines and deliverables.
Answer 2 Everybody concerned with the project being in sync with respect to scope, responsibilities, requirement collection, deadlines and deliverables.
Answer 3 Everybody concerned with the project being in sync with respect to scope, responsibilities, requirement collection, Prototyping, deadlines and deliverables.
Answer 4 All of the above