A man in a white shirt is sitting on two chairs in a boat
A man is wearing a hat in a boat.
We have no idea if he is wearing a hat or not, he might not have anything on his head.
exists e1 s1 x1 x2 x3 x4.(in(e1,x4) & n_boat(x4) & on(e1,x3) & n_chair(x3) & card_eq_2(x3) & Actor(e1,x1) & v_sit(e1) & in(x1,x2) & n_shirt(x2) & a_white(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & in(x2,x3) & n_boat(x3) & n_hat(x2) & n_man(x1))