A boy plays tennis.
A boy is playing with a turkey.
A boy can't play tennis and play with a turkey.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_tennis(x2) & n_boy(x1))
exists e1 x1 x2.(with(e1,x2) & n_turkey(x2) & Actor(e1,x1) & v_play(e1) & n_boy(x1))