Four girls are walking down the sidewalk in a city.
Four men are running on the street in the city
It is either a grioup of girls or men.
exists e1 x1 x2 x3.(n_sidewalk(x2) & down(e1,x2) & in(x2,x3) & n_city(x3) & Actor(e1,x1) & v_walk(e1) & n_girl(x1) & card_eq_4(x1))
exists e1 x1 x2 x3.(n_city(x3) & n_street(x2) & in(e1,x3) & on(e1,x2) & Actor(e1,x1) & v_run(e1) & n_man(x1) & card_eq_4(x1))