A man holds a guitar on a busy street while people look on.
There is a man playing guitar for some people.
The man playing guitar is playing for some people while the people look on.
exists e1 p1 s1 x1 x2 x3.(exists e2 p2 x4.(exists s2.(Theme(s2,x4) & a_on(s2)) & Topic(e2,p2) & Actor(e2,x4) & v_look(e2) & n_people(x4)) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & on(x2,x3) & n_street(x3) & a_busy(s1) & Theme(s1,x3) & n_guitar(x2) & n_man(x1))
exists p1 x1 e1 x2 x3 x4 x5.((x1 = x2) & for(e1,x5) & n_people(x5) & Theme(e1,x4) & Actor(e1,x3) & v_play(e1) & n_guitar(x4) & (x2 = x3) & n_man(x2))