Two couples sitting on a leather couch.
A group of friends sitting in a living room
Sitting on a couch does not imply sitting in a living room.
exists e1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x3) & n_couch(x3) & of(x3,x4) & n_leather(x4) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_couple(x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & in(e1,x4) & n_room(x4) & of(x4,x5) & n_living(x5) & Actor(e1,x3) & v_sit(e1) & (x1 = x3) & of(x1,x2) & n_friend(x2) & n_group(x1))