Question: Which opera has more acts, Der Rosenkavalier or Manon? 
Sentence (from "Manon"): Manon (] ) is an "opéra comique" in five acts by Jules Massenet to a French libretto by Henri Meilhac and Philippe Gille, based on the 1731 novel "L’histoire du chevalier des Grieux et de Manon Lescaut" by the Abbé Prévost.
Relevant evidence: Yes