A young boy in pajamas sleeps on a couch.
A boy is wearing pajamas
A young boy in pajamas implies that a boy is wearing pajamas.
exists e1 s1 x1 x2 x3.(on(e1,x3) & n_couch(x3) & Actor(e1,x1) & v_sleep(e1) & in(x1,x2) & n_pajamas(x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_pajamas(x2) & n_boy(x1))