Can someone help & elaborate the answer of this question

An organization is considering various contract types in order to motivate sellers and to ensure preferential treatment. What should they consider before deciding to use an award fee contract?
o Payment of an award fee would be linked to the achievement of objective performance criteria.
o Any unresolved dispute over the payment of an award fee would be subject to remedy in court.
o Payment of an award fee would be agreed upon by both the customer and the contractor.
o Payment of an award fee is decided upon by the customer based on the degree of satisfaction.

The last option??

Answer is A
PMBOK 364

According to PMBOK it is subjective performance criteria

As per Oliver Lehman, answer is 4th Option (Payment of an award fee is decided upon by the customer based on the degree of satisfaction.)..Why 1st option is wrong (Payment of an award fee would be linked to the achievement of objective performance criteria.)..when it looks more specific.

Option 4 as the award fee process is subjective in nature, option 1 can't be the right answer as this applies to Incentive Fee contract. PMBOK page 364