A skateboarder jumps off his skateboard in midair in hopes of landing back on it.
Skateboarder performing tricks at skatepark
He doesn't have to be doing tricks and he doesn't have to be at a skatepark to jump off his skateboard.
exists e1 e2 s1 s2 x1 x2 x3 x4 x5.(in(e1,x4) & a_back(s2) & Manner(e2,s2) & on(e2,x1) & n_thing(x1) & Actor(e2,x5) & v_land(e2) & (x4 = x5) & n_hope(x4) & a_off(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_jump(e1) & in(x2,x3) & n_midair(x3) & n_skateboard(x2) & of(x2,x1) & n_male(x1) & n_skateboarder(x1))
exists e1 x1 x2 x3.(ne_nam_skateboarder(x1) & at(e1,x3) & n_skatepark(x3) & Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & n_trick(x2))