Two men sit on a sidewalk with their helmets in front of a Vespa scooter.
The two men are friends.
Two men on a sidewalk are not assumed to be friends.
exists e1 x1 x2 x3 x4 x5 x6.(with(e1,x3) & in(x3,x4) & of(x4,x5) & n_scooter(x5) & (x5 = x6) & ne_geo_vespa(x6) & n_front(x4) & n_helmet(x3) & of(x3,x1) & n_thing(x1) & on(e1,x2) & n_sidewalk(x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1) & card_eq_2(x1))
exists p1 x1.(n_man(x1) & card_eq_2(x1) & exists x2.((x1 = x2) & n_friend(x2)))