a man back flipping on trampoline
The woman did a front flip on the trampoline.
It is either a man doing a back flip or it is a woman doing a front flip on the trampoline, it cannot be both.
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 x4.(n_trampoline(x4) & n_woman(x1) & on(e1,x4) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_flip(x2) & of(x2,x3) & n_front(x3))