An older male is playing a guitar on a wheelchair in a city street.
The man plays saxophone.
A man playing a guitar is not a man who plays saxophone.
exists e1 s1 x1 x2 x3 x4 x5.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & on(x2,x3) & in(x3,x4) & n_street(x4) & of(x4,x5) & n_city(x5) & n_wheelchair(x3) & n_guitar(x2) & n_male(x1) & r_more(s1) & a_older(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_saxophone(x2))