a man back flipping on trampoline
The man did a flip on the trampoline.
A man flipping is a man flip
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 x1 x2 x3.(n_trampoline(x3) & n_man(x1) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_flip(x2))