A man performing saxophone on the street.
This man is playing his instrument for entertainment.
A man who is playing his saxophone is doing so for entertainment.
exists e1 x1 x2 x3 x4.(n_street(x4) & a_topic(x1) & on(e1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_perform(e1) & n_saxophone(x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2 x3.(n_instrument(x2) & of(x2,x1) & n_male(x1) & n_man(x1) & for(e1,x3) & n_entertainment(x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1))