Two young men in a boat while one holds up a fish.
Two men are swimming with fish in a boat.
Men cannot be in a boat while one holds up a fish and be swimming with fish in a boat at the same time.
(x)
exists e1 x1 x2 x3.(in(e1,x3) & n_boat(x3) & with(e1,x2) & n_fish(x2) & Actor(e1,x1) & v_swim(e1) & n_man(x1) & card_eq_2(x1))