A guy with his hands in his pockets of his jacket while walking beside a white business van.
A person with hands in pockets
It is clear that the guy has his hands in pockets.
(x)
exists x1 x2 x3.(a_topic(x1) & in(x1,x3) & n_pocket(x3) & with(x1,x2) & n_hand(x2) & n_person(x1))