A group of people are sitting in a room.
A group of people are enjoying a park's festivities.
A room is indoors and a park's outdoors.
exists e1 x1 x2 x3.(in(e1,x3) & n_room(x3) & Actor(e1,x1) & v_sit(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
exists e1 x1 x2 x3 x4.(Theme(e1,x4) & Actor(e1,x1) & v_enjoy(e1) & n_festivity(x4) & of(x4,x3) & n_park(x3) & of(x1,x2) & n_people(x2) & n_group(x1))