Players on a football team scuffle in an attempt to get the ball.
The players are from rival teams.
Just because there is a football team scuffle doesn't mean the players are in a rival.
exists p1 x1 x2 x3 x4 x5 x6.(n_ball(x6) & a_topic(x1) & on(x1,x2) & in(x2,x5) & Topic(x5,p1) & exists e1.(Theme(e1,x6) & Actor(e1,x5) & v_get(e1)) & n_attempt(x5) & n_scuffle(x2) & of(x2,x4) & n_team(x4) & of(x2,x3) & n_football(x3) & n_player(x1))
exists p1 x1.(n_player(x1) & exists s1 x2.(from(x1,x2) & n_team(x2) & a_rival(s1) & Theme(s1,x2)))