Men are playing soccer with a white ball.
The men are playing basketball.
The men can not be playing basketball if they are playing soccer
exists e1 s1 x1 x2 x3.(with(e1,x3) & n_ball(x3) & a_white(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_soccer(x2) & n_man(x1))
exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_basketball(x2))