A skateboarder practicing a trick on his board.
It is a colorful skateboard.
Just because a skateboarder is practicing tricks doesn't mean the skateboard is colorful.
exists e1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x4) & n_board(x4) & of(x4,x1) & n_male(x1) & Theme(e1,x3) & Actor(e1,x2) & v_practice(e1) & n_trick(x3) & (x1 = x2) & n_skateboarder(x1))
exists p1 x1.(n_thing(x1) & exists s1 x2.((x1 = x2) & n_skateboard(x2) & a_colorful(s1) & Theme(s1,x2)))