Two soccer players going head-to-head for a soccer ball.
No one is playing soccer.
Two players is not the same as no one.
exists e1 p1 x1 x2 x3 x4 x5.(a_topic(x1) & for(e1,x4) & n_ball(x4) & of(x4,x5) & n_soccer(x5) & exists s1.(Theme(s1,x3) & a_head-to-head(s1)) & Topic(e1,p1) & Actor(e1,x3) & v_go(e1) & (x1 = x3) & n_player(x1) & of(x1,x2) & n_soccer(x2) & card_eq_2(x1))
-exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_soccer(x2) & n_one(x1))