In this next game, assume that the two players are enviers, for whom u(x, y)=x /2 - y1/2. Identify the Nash Equilibrium(Equilibria) in pure strategies in this case. (Select all that apply) Player 2 C D A Player 1 4,9 0,9 B 25,16 1,0 O a. {B,C). O b. {A, D). O c. {A, C). d. There is no NE in pure strategies. De. {B,D)