A band is playing music in some area.
A band playing music in the park.
A band in some area is not necessarily in the park.
exists e1 x1 x2 x3.(in(e1,x3) & n_area(x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_music(x2) & n_band(x1))
exists e1 x1 x2 x3 x4.(n_park(x4) & a_topic(x1) & in(e1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_music(x3) & (x1 = x2) & n_band(x1))