The skateboarder is doing a trick off the side of a half pipe
The skateboarder rides a colorful skateboard.
Sentence 1 is missing colorful skateboard.
exists e1 x1 x2 x3 x4 x5.(n_side(x3) & n_skateboarder(x1) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & off(x2,x3) & of(x3,x4) & n_pipe(x4) & of(x4,x5) & n_half(x5) & n_trick(x2))
exists e1 s1 x1 x2.(n_skateboarder(x1) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_skateboard(x2) & a_colorful(s1) & Theme(s1,x2))