A boy and two girls on one side of a tug-of-war.
A boy and two girls holding a rope.
Holding a rope represents tug-of-war.
exists x1 x2 x3 x4.(a_topic(x1) & on(x1,x3) & of(x3,x4) & n_tug-of-war(x4) & n_side(x3) & card_eq_1(x3) & n_girl(x1) & card_eq_2(x1) & of(x1,x2) & n_boy(x2))
exists e1 s1 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & Theme(e1,x4) & Actor(e1,x3) & v_hold(e1) & n_rope(x4) & (x2 = x3) & n_girl(x2) & card_eq_2(x2) & subset_of(x1,s1) & n_boy(x1))