Which answer matches this clue: the early-May medieval festival in Assisi split between the upper and lower parts of the town?

• A Corsa dei Ceri
• B Calendimaggio ✓
• C Festa dei Ceri
• D Palio di San Rufino

Calendimaggio re-enacts the rivalry between Assisi's Parte de Sopra and Parte de Sotto through medieval songs, costumes, and processions.