Lee and Cody are playing a game in which Lee has the first move at A in the decision tree shown below. Once Lee has chosen either aggression or cooperation, Cody, who can see what Lee has chosen, must choose either aggression or cooperation at B or C. Both players know the payoffs at the end of each branch.
If Lee chooses aggression, Cody will respond with ________, and if Lee chooses cooperation, Cody will respond with ________.
A. cooperation; aggression
B. aggression; cooperation
C. cooperation; cooperation
D. aggression; aggression
Answer: A
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