Two boys are swimming underwater in a pool.
The two boys love swimming.
Not all boys love swimming.
exists e1 x1 x2 x3.(in(e1,x3) & n_pool(x3) & Theme(e1,x2) & Actor(e1,x1) & v_swim(e1) & n_underwater(x2) & n_boy(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_boy(x1) & card_eq_2(x1) & Theme(e1,x2) & Actor(e1,x1) & v_love(e1) & n_swimming(x2))