Someone making pencil edits to the sheet music of Violoncelli
They are correcting something.
Sentence 1 is missing correcting something
exists e1 x1 x2 x3 x4 x5.(ne_geo_violoncelli(x5) & n_music(x3) & of(x3,x4) & n_sheet(x4) & a_topic(x1) & to(x1,x3) & of(x3,x5) & n_edit(x1) & of(x1,x2) & n_pencil(x2) & Actor(e1,x1) & v_make(e1))
exists e1 x1 x2.(n_thing(x1) & Theme(e1,x2) & Actor(e1,x1) & v_correct(e1) & n_thing(x2))