A man performing a skateboard jump off the top of a ramp.
The man is in a skateboarding competition.
The man is not necessarily in a competition.
exists e1 x1 x2 x3 x4 x5 x6.(n_top(x5) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_perform(e1) & off(x3,x5) & of(x5,x6) & n_ramp(x6) & n_jump(x3) & of(x3,x4) & n_skateboard(x4) & (x1 = x2) & n_man(x1))
exists p1 x1.(n_man(x1) & exists s1 x2.(in(x1,x2) & n_competition(x2) & a_skateboarding(s1) & Theme(s1,x2)))