A man with white shorts plays in a skateboard.
A person skateboarding.
A man is a person and plays with a skateboard implies a person is skateboarding.
exists e1 s1 x1 x2 x3.(in(e1,x3) & n_skateboard(x3) & Actor(e1,x1) & v_play(e1) & with(x1,x2) & n_shorts(x2) & a_white(s1) & Theme(s1,x2) & n_man(x1))
exists x1 x2.(a_topic(x1) & Time(x1,x2) & n_skateboarding(x2) & n_person(x1))