A long-haired guy doing a backflip on the trampoline.
There is something to jump on.
A trampoline is something to jump on and do back flips.
exists e1 s1 x1 x2 x3 x4.(n_trampoline(x4) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_do(e1) & on(x3,x4) & n_backflip(x3) & (x1 = x2) & n_guy(x1) & a_long-haired(s1) & Theme(s1,x1))
exists p1 x1 p2 x2.((x1 = x2) & Topic(x2,p2) & exists e1 x3.(on(e1,x3) & n_thing(x3) & Actor(e1,x2) & v_jump(e1)) & n_thing(x2))