A boy is jumping on a bungee trampoline.
The boy jumps off a cliff.
Jumping on a bungee trampoline is not jumping off a cliff.
exists e1 x1 x2 x3.(on(e1,x2) & n_trampoline(x2) & of(x2,x3) & n_bungee(x3) & Actor(e1,x1) & v_jump(e1) & n_boy(x1))
exists e1 s1 x1 x2.(n_boy(x1) & a_off(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_jump(e1) & n_cliff(x2))