Men play in a soccer game.
the men are playing basketball
soccer is contradictory to basketball
exists x1 x2 x3 x4.(a_topic(x1) & in(x1,x3) & n_game(x3) & of(x3,x4) & n_soccer(x4) & n_play(x1) & of(x1,x2) & n_man(x2))
exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_basketball(x2))