a man back flipping on trampoline
The man showed off by performing a back flip.
Just because a man is back flipping on trampoline does not mean he showed off.
exists e1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_trampoline(x3) & Actor(e1,x2) & v_flip(e1) & (x1 = x2) & r_back(x1) & n_man(x1))
exists e1 e2 s1 s2 x1 x2.(n_man(x1) & by(e1,e2) & Theme(e2,x2) & Actor(e2,x1) & v_perform(e2) & n_flip(x2) & a_back(s2) & Theme(s2,x2) & a_off(s1) & Manner(e1,s1) & Actor(e1,x1) & v_show(e1))