Children are canoeing on a beautiful lake.
Two girls are in a boat.
Children does not imply two girls
exists e1 s1 x1 x2.(on(e1,x2) & n_lake(x2) & a_beautiful(s1) & Theme(s1,x2) & Actor(e1,x1) & v_canoe(e1) & n_child(x1))
exists p1 x1.(exists x2.(in(x1,x2) & n_boat(x2)) & n_girl(x1) & card_eq_2(x1))