A guitar band is playing on stage.
a band hanging around some ones apartment.
A band cannot be playing on stage and at some ones apartment at the same time.
exists e1 x1 x2 x3.(on(e1,x3) & n_stage(x3) & Actor(e1,x1) & v_play(e1) & n_band(x1) & of(x1,x2) & n_guitar(x2))
exists e1 x1 x2 x3 x4.(a_topic(x1) & around(e1,x4) & n_one(x4) & Theme(e1,x3) & Actor(e1,x2) & v_hang(e1) & n_apartment(x3) & (x1 = x2) & n_band(x1))