Which of the Following Best Explains 'Co-Operative System

Multiple Choice

Which of the following best explains 'co-operative system'? 

A)  Contractual relationship where parties pursue different objectives. 
B)  Contractual relationship where parties act rationally in the name of a common objective. 
C)  Contractual relationship where parties dispute the contract details. 
D)  Contractual relationship where one party fails to meet their contractual requirements.