A child wearing a hat and a white shirt sitting.
A child in a sailor hat.
Not all white hats are sailor hats.
exists e1 e2 s1 x1 x2 x3.(Actor(e2,x3) & v_sit(e2) & n_shirt(x3) & a_white(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_hat(x2) & n_child(x1))
exists x1 x2 x3.(a_topic(x1) & in(x1,x2) & n_hat(x2) & of(x2,x3) & n_sailor(x3) & n_child(x1))