Children participate in a game of tug-of-war.
The children on the left are winning.
Just because children are participating in a game of tug-of-war doesn't imply children on the left are winning.
exists e1 x1 x2 x3.(in(e1,x2) & of(x2,x3) & n_tug-of-war(x3) & n_game(x2) & Actor(e1,x1) & v_participate(e1) & n_child(x1))
exists e1 x1 x2.(n_left(x2) & n_child(x1) & Actor(e1,x1) & v_win(e1) & on(x1,x2))