A group of people in a dark room are interacting.
People are in a dark room.
You can not infer it is dark.
exists e1 s1 x1 x2 x3.(Actor(e1,x1) & v_interact(e1) & of(x1,x2) & in(x2,x3) & n_room(x3) & a_dark(s1) & Theme(s1,x3) & n_people(x2) & n_group(x1))
exists p1 x1.(exists s1 x2.(in(x1,x2) & n_room(x2) & a_dark(s1) & Theme(s1,x2)) & n_people(x1))