A boy in blue jumps on a skateboard while two others watch him
Two people watch a boy do some stunts with a skateboard
Jumps on a skateboard means that he is doing stunts.
(x)
exists e1 e2 x1 x2 x3 x4 x5.(Theme(e2,x2) & Actor(e2,x1) & v_watch(e2) & with(e1,x5) & n_skateboard(x5) & Theme(e1,x4) & Actor(e1,x3) & v_do(e1) & n_stunt(x4) & (x2 = x3) & n_boy(x2) & n_people(x1) & card_eq_2(x1))