A man playing a white guitar with sheet music.
The man is reading the sheet music to play the song properly.
Playing a guitar produces a song, and sheet music tells you how to play the song properly.
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & with(e1,x4) & n_music(x4) & of(x4,x5) & n_sheet(x5) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_guitar(x3) & a_white(s1) & Theme(s1,x3) & (x1 = x2) & n_man(x1))
exists e1 p1 x1 x2 x3 x4.(n_song(x4) & n_music(x2) & of(x2,x3) & n_sheet(x3) & n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_read(e1) & Topic(x2,p1) & exists e2 s1.(a_properly(s1) & Manner(e2,s1) & Theme(e2,x4) & Actor(e2,x2) & v_play(e2)))