Two men and two boys look over the deck of a boat.
The boys look at the boat.
To look at the boat, the men and boys had to look over the deck.
exists e1 x1 x2 x3 x4 x5.(n_deck(x4) & over(e1,x4) & of(x4,x5) & n_boat(x5) & Actor(e1,x1) & v_look(e1) & n_boy(x3) & card_eq_2(x3) & n_man(x2) & card_eq_2(x2) & subset_of(x3,x1) & subset_of(x2,x1))
exists e1 x1 x2.(n_boat(x2) & n_boy(x1) & at(e1,x2) & Actor(e1,x1) & v_look(e1))