Question: Which play has more acts, La sonnambula or Maskarade?
Related documents: [0]  [DOC] La sonnambula ("The Sleepwalker") is an opera semiseria in two acts, with music in the "bel canto" tradition by Vincenzo Bellini set to an Italian libretto by Felice Romani, based on a scenario for a "ballet-pantomime" written by Eugène Scribe and choreographed by Jean-Pierre Aumer called "La somnambule, ou L'arrivée d'un nouveau seigneur". The ballet had premiered in Paris in September 1827 at the height of a fashion for stage works incorporating somnambulism. [END] 
[1]  [DOC] Maskarade ("Masquerade") is an opera in three acts by Carl Nielsen to a Danish libretto by Vilhelm Andersen, based on the comedy by Ludvig Holberg. It was first performed on 11 November 1906 at Det Kongelige Teater, Copenhagen. "Maskarade" has enjoyed enduring popularity in Denmark where it is considered to be the country's national opera. [END] 
Answer: 
Maskarade
Maskarade