Two boys running in a giant metal wheel.
Two boys are playing at the park.
A giant metal wheel for the boys may not be playing and may not be in a park.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x3) & n_wheel(x3) & of(x3,x4) & n_metal(x4) & a_giant(s1) & Theme(s1,x3) & Actor(e1,x2) & v_run(e1) & (x1 = x2) & n_boy(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_park(x2) & at(e1,x2) & Actor(e1,x1) & v_play(e1) & n_boy(x1) & card_eq_2(x1))