Four children are playing together, and they are standing outside of a building.
Four children are outside a building.
Standing outside of a building implies outside a building.
exists e1 e2 s1 x1 x2.(of(e2,x2) & n_building(x2) & r_outside(e2) & Actor(e2,x2) & v_stand(e2) & n_thing(x2) & a_together(s1) & Manner(e1,s1) & Actor(e1,x1) & v_play(e1) & n_child(x1) & card_eq_4(x1))
exists p1 x1.(exists x2.(outside(x1,x2) & n_building(x2)) & n_child(x1) & card_eq_4(x1))