A gray-haired man is playing an accordion on a sidewalk.
The gray-haired man is trying to earn some change.
Just because a man is playing an accordion on a sidewalk does not mean he is trying to earn some change.
exists e1 s1 x1 x2 x3.(on(e1,x3) & n_sidewalk(x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_accordion(x2) & n_man(x1) & a_gray-haired(s1) & Theme(s1,x1))
exists e1 p1 s1 x1.(n_man(x1) & a_gray-haired(s1) & Theme(s1,x1) & Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 x2.(Theme(e2,x2) & Actor(e2,x1) & v_earn(e2) & n_change(x2)))