sentences:  The fourth piece, called "Polichinelle" (Полишинель, "Polishinyelʹ"), is in an ambiguous key although often referred to as "in F minor" (the F minor triad has never been established throughout), and played "Allegro vivace".It is a character piece, based on the Commedia dell'arte character Pulcinella (Polichinelle is the French translation of this word) from which Punch (from Punch and Judy) derives.It is in ternary form (ABA), beginning and ending with a fast section that gives way to a slower, lyrical melodious passage in the middle.