A family is sitting outside a store.
A group of people are not standing
A family is considered a group and they are sitting so they would not be standing.
exists e1 x1 x2.(outside(e1,x2) & n_store(x2) & Actor(e1,x1) & v_sit(e1) & n_family(x1))
exists x1 x2.(-exists e1.(Actor(e1,x1) & v_stand(e1)) & of(x1,x2) & n_people(x2) & n_group(x1))