Three young children play tug-of-war.
The kids are playing tug of war.
kids means more than one so could be three children
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_tug-of-war(x2) & n_child(x1) & a_young(s1) & Theme(s1,x1) & card_eq_3(x1))
exists e1 x1 x2 x3.(n_kid(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & of(x2,x3) & n_war(x3) & n_tug(x2))