A group of people stare at a building.
People look at a building.
If you stare you are looking
exists e1 x1 x2 x3.(at(e1,x3) & n_building(x3) & Actor(e1,x1) & v_stare(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
exists e1 x1 x2.(at(e1,x2) & n_building(x2) & Actor(e1,x1) & v_look(e1) & n_people(x1))