A man riding a skateboard jumps up on a wood ledge.
The man falls off the skateboard as he jumps on the ledge.
The man cannot be riding a skateboard and one who falls off it at the same time.
exists e2 e1 s1 x1 x2 x3 x4 x5.(a_up(s1) & Manner(e2,s1) & on(e2,x4) & n_ledge(x4) & of(x4,x5) & n_wood(x5) & Actor(e2,x1) & v_jump(e2) & Theme(e1,x3) & Actor(e1,x2) & v_ride(e1) & n_skateboard(x3) & (x1 = x2) & n_man(x1))
exists e1 p1 s1 x1 x2 x3.(n_ledge(x3) & n_male(x2) & n_skateboard(x2) & n_man(x1) & exists e2.(on(e2,x3) & Actor(e2,x2) & v_jump(e2)) & as(e1,p1) & a_off(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_fall(e1))