Street performs are playing their instruments outdoors.
Street performers play their instruments.
People playing their instruments, play them.
exists e1 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & Time(x3,x4) & n_outdoors(x4) & n_instrument(x3) & of(x3,x1) & n_thing(x1) & n_perform(x1) & (x1 = x2) & ne_per_street(x2))
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & n_instrument(x3) & of(x3,x1) & n_thing(x1) & n_performer(x1) & (x1 = x2) & ne_per_street(x2))