a young boy skateboarder jumping on a platform on a skateboard.
A boy is a very good skateboarder.
We do not know what the definition of very good is jumping on a platform. That could be a routine trick or just an accident. Maybe the boy didn't mean to jump onto the platform.
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & on(e1,x5) & n_skateboard(x5) & on(e1,x4) & n_platform(x4) & Actor(e1,x3) & v_jump(e1) & (x1 = x3) & n_skateboarder(x1) & of(x1,x2) & n_boy(x2) & a_young(s1) & Theme(s1,x1))
exists p1 x1.(exists s1 x2.((x1 = x2) & n_skateboarder(x2) & a_good(s1) & Theme(s1,x2) & r_very(x2)) & n_boy(x1))