Four musicians play their instruments on the street while a young man on a bike stands by to listen.
four musicians play for a man
The fact that the young man is standing by to listen to the musicians implies that the musicians are playing for the man.
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 x1 x2 x3.(a_topic(x1) & for(x1,x3) & n_man(x3) & n_play(x1) & of(x1,x2) & n_musician(x2) & card_eq_4(x1))