Three men only in shorts walking along a river
Two men are skiing on a lake.
River and  lake are different places.
exists e1 x1 x2 x3 x4.(a_topic(x1) & along(e1,x4) & n_river(x4) & Actor(e1,x3) & v_walk(e1) & (x1 = x3) & n_only(x1) & in(x1,x2) & n_shorts(x2) & n_man(x1) & card_eq_3(x1))
exists e1 x1 x2.(on(e1,x2) & n_lake(x2) & Actor(e1,x1) & v_ski(e1) & n_man(x1) & card_eq_2(x1))