Two men are fishing in a river.
Some people are fishing.
Two men are some people.
exists e1 x1 x2.(in(e1,x2) & n_river(x2) & Actor(e1,x1) & v_fish(e1) & n_man(x1) & card_eq_2(x1))
exists p1 x1.(exists x2.((x1 = x2) & n_fishing(x2)) & n_people(x1))