Young man in an orange hoodie skateboarding.
Man is preparing to do tricks.
The fact that a young man skateboarding doesn't imply that he is preparing  to do tricks.
exists s1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & n_skateboarding(x2) & of(x2,x4) & n_hoodie(x4) & of(x2,x3) & n_orange(x3) & n_man(x1) & a_young(s1) & Theme(s1,x1))
exists e1 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_prepare(e1) & exists e2 x2.(Theme(e2,x2) & Actor(e2,x1) & v_do(e2) & n_trick(x2)) & n_man(x1))