A little boy in a suit jacket is playing with a ball.
the boy is playing with a kite
The boy cannot be playing with a kite if he is playing with a ball.
exists e1 s1 x1 x2 x3 x4.(with(e1,x4) & n_ball(x4) & Actor(e1,x1) & v_play(e1) & in(x1,x2) & n_jacket(x2) & of(x2,x3) & n_suit(x3) & n_boy(x1) & a_little(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_boy(x1) & with(e1,x2) & n_kite(x2) & Actor(e1,x1) & v_play(e1))