Someone making pencil edits to the sheet music of Violoncelli
Someone playing some Violoncelli.
Someone can't be playing Violoncelli if they are busy making pencil edits to the sheet music.
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 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & ne_geo_violoncelli(x3) & (x1 = x2) & n_person(x1))