A street performer with a guitar is playing music and requesting tips.
Musician on the side playing his instrument.
A street performer with a guitar is playing music and requesting tips,which at the same time won be  Musician on the side playing his instrument.
exists e2 e1 x1 x2 x3 x4 x5 x6 x7 x8.(Theme(e2,x8) & Actor(e2,x5) & v_request(e2) & n_tip(x8) & with(x5,x7) & n_guitar(x7) & n_performer(x5) & of(x5,x6) & n_street(x6) & Theme(e1,x4) & Actor(e1,x1) & v_play(e1) & n_music(x4) & with(x1,x3) & n_guitar(x3) & n_performer(x1) & of(x1,x2) & n_street(x2))
exists e1 x1 x2 x3 x4.(n_instrument(x4) & of(x4,x2) & n_male(x2) & n_side(x2) & a_topic(x1) & on(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_play(e1) & (x2 = x3) & n_musician(x1))