Street performs are playing their instruments outdoors.
The band plays their instruments outside.
People playing instruments are a band.
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 s1 x1 x2.(n_instrument(x2) & of(x2,x1) & n_thing(x1) & n_band(x1) & a_outside(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1))