Two men playing soccer collide while attempting to gain possession of the ball.
The players have bumped into each other while going for the ball.
Men playing are players.  Bump and collide are synonyms.  Players trying to "gain possession of the ball" are said to be "going for the ball".
exists e1 e2 p1 x1 x2 x3 x4 x6.(n_ball(x6) & a_topic(x1) & while(e1,e2) & Topic(e2,p1) & Actor(e2,x2) & v_attempt(e2) & exists e3 x5.(Theme(e3,x5) & Actor(e3,x2) & v_gain(e3) & of(x5,x6) & n_possession(x5)) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_collide(x3) & of(x3,x4) & n_soccer(x4) & (x1 = x2) & n_man(x1) & card_eq_2(x1))
exists e1 e2 x1 x2.(n_ball(x2) & n_player(x1) & while(e1,e2) & for(e2,x2) & Actor(e2,x1) & v_go(e2) & all x3.(n_other(x3) -> into(e1,x3)) & Actor(e1,x1) & v_bump(e1))