Five people are sitting inside a building.
Five people are sitting together and talking inside a building.
Sitting does not imply talking.
exists e1 x1 x2.(inside(e1,x2) & n_building(x2) & Actor(e1,x1) & v_sit(e1) & n_people(x1) & card_eq_5(x1))
exists e1 e2 p1 x1 x2 x3.(inside(e2,x3) & n_building(x3) & Actor(e2,x2) & v_talk(e2) & n_people(x2) & card_eq_5(x2) & exists s1.(Theme(s1,x1) & a_together(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_sit(e1) & n_people(x1) & card_eq_5(x1))