sentences:  In contrast to the second movement, in the third movement it is the piano that takes center stage.The piano states the main theme, a stammering, uneasy "scherzando" in F minor, with the violin providing a simple accompaniment on off-beats, interspersed with brief melodic fragments.The second statement of the theme is taken by the violin, with the melodic fragments from the violin's previous accompanying figures becoming part of the melody itself.