Four people are walking on a sidewalk.
Some people are walking to a restaurant.
You can not infer it's a restaurant.
exists e1 x1 x2.(on(e1,x2) & n_sidewalk(x2) & Actor(e1,x1) & v_walk(e1) & n_people(x1) & card_eq_4(x1))
exists e1 x1 x2.(to(e1,x2) & n_restaurant(x2) & Actor(e1,x1) & v_walk(e1) & n_people(x1))