The following game shown in extensive form below is played by two players, Player 1 and Player 2. Player 1's actions are taken from the set {a, b} in the first node and {e, f} in a subsequent node. Player 2's actions in the first information set are from the set {c, d} and in the second information set, they are from the set {i, j}. Payoff values are given at the terminal nodes where the first member of each pair is the payoff received by Player 1 and the second member is the payoff received by Player 2.

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