A boy jumping over another boy on a trampoline.
Two boys on a trampoline.
A boy and another boy shows two boys.
exists e1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x4) & n_trampoline(x4) & over(e1,x3) & n_boy(x3) & -(x3 = x1) & n_boy(x1) & n_boy(x1) & Actor(e1,x2) & v_jump(e1) & (x1 = x2))
exists x1 x2.(a_topic(x1) & on(x1,x2) & n_trampoline(x2) & n_boy(x1) & card_eq_2(x1))