Soccer players on the ground fighting for the ball.
The players are in a rugby scrum.
Soccer players don't play rugby.
exists e1 x1 x2 x3 x4 x5.(n_ball(x5) & n_ground(x3) & a_topic(x1) & on(x1,x3) & for(e1,x5) & Actor(e1,x4) & v_fight(e1) & (x3 = x4) & n_player(x1) & (x1 = x2) & ne_nam_soccer(x2))
exists p1 x1.(n_player(x1) & exists s1 x2.(in(x1,x2) & n_scrum(x2) & a_rugby(s1) & Theme(s1,x2)))