Four musicians play their instruments on the street while a young man on a bike stands by to listen.
Musicians are playing at an indoor concert.
Musicians on the street can not be at an indoor concert.
exists e1 p1 s1 s2 x1 x2 x3 x4 x5 x6 x7.(n_street(x4) & Topic(e1,p1) & exists e2.(Actor(e2,x1) & v_listen(e2)) & a_by(s2) & Manner(e1,s2) & on(e1,x6) & n_stand(x6) & of(x6,x7) & n_bike(x7) & while(e1,x5) & n_man(x5) & a_young(s1) & Theme(s1,x5) & on(e1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_instrument(x3) & of(x3,x1) & n_thing(x1) & n_musician(x2) & card_eq_4(x2) & n_musician(x1) & card_eq_4(x1))
exists e1 s1 x1 x2.(ne_nam_musicians(x1) & at(e1,x2) & n_concert(x2) & a_indoor(s1) & Theme(s1,x2) & Actor(e1,x1) & v_play(e1))