Little kids are playing a game of tug-of-war.
The boys play a game of tug-of-war against the girls.
little kids playing tug-of-war need not be playing against the girls.
exists e1 s1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & of(x2,x3) & n_tug-of-war(x3) & n_game(x2) & n_kid(x1) & a_little(s1) & Theme(s1,x1))
exists e1 x1 x2 x3 x4.(n_girl(x4) & n_boy(x1) & against(e1,x4) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & of(x2,x3) & n_tug-of-war(x3) & n_game(x2))