Five people on a sidewalk.
There are people in a forest.
no sidewalk in the forest
exists x1 x2.(a_topic(x1) & on(x1,x2) & n_sidewalk(x2) & n_people(x1) & card_eq_5(x1))
exists p1 x1 x2.(in(p1,x2) & n_forest(x2) & exists x3.((x1 = x3) & n_people(x3)))