Two kids standing in a firetruck.
Two children in a fire house.
You can not infer they are in a fire house.
exists e1 x1 x2 x3.(a_topic(x1) & in(e1,x3) & n_firetruck(x3) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_kid(x1) & card_eq_2(x1))
exists x1 x2 x3.(a_topic(x1) & in(x1,x2) & n_house(x2) & of(x2,x3) & n_fire(x3) & n_child(x1) & card_eq_2(x1))