Three boys jumping off of a platform.
Three boys are jumping onto a trampoline.
Jumping off of a platform and jumping onto a trampoline is not the same thing.
exists e1 x1 x2 x3.(a_topic(x1) & of(e1,x3) & n_platform(x3) & r_off(e1) & Actor(e1,x2) & v_jump(e1) & (x1 = x2) & n_boy(x1) & card_eq_3(x1))
exists e1 x1 x2.(onto(e1,x2) & n_trampoline(x2) & Actor(e1,x1) & v_jump(e1) & n_boy(x1) & card_eq_3(x1))