Refer to the game in the figure below. Which strategy combination is a Nash equilibrium? Write only the strategy combination (no description should be there). For example, if Player 1 choosing a and Player 2 choosing r is a Nash, then just write a, ras your answer. If there is more than one Nash equilibrium, write any one. Answer Player 1 a b U d a 1,2 4,0 3,1 0,2 Player 2 4 1,2 1,3 2,1 0,1 2 0.3 0,2 1,2 2,4