Question: Which contained more acts, Macbeth or Les mamelles de Tirésias?

Context paragraphs:
Les Mamelles: Les Mamelles is an administrative district of the Seychelles, located in the south of the Greater Victoria (suburban) area on Mahé, the main island of the archipelago.  The district is located inward from the adjacent coastal district of Roche Caiman.  It is not to be confused with Mamelles Island some six kilometers northeast of Mahé.

Macbeth (opera): Macbeth (] ) is an opera in four acts by Giuseppe Verdi, with an Italian libretto by Francesco Maria Piave and additions by Andrea Maffei, based on William Shakespeare's play of the same name.

The Breasts of Tiresias: The Breasts of Tiresias (French: "Les mamelles de Tirésias" ) is a surrealist play by Guillaume Apollinaire.  Written in 1903, the play received its first production in a revised version in 1917.  In his preface to the play, the poet invented the word "surrealism" to describe his new style of drama.

Deux Mamelles National Park: Deux Mamelles National Park (French: Parc National Naturel de Deux Mamelles) is a national park in Haiti established on September 23, 2015 with an area of 2,265 hectares.  It is located on the Tiburon Peninsula of Haiti, just west of a line connecting Les Anglais to the south and Jérémie to the north.  The park circumscribes a U-shaped mountain, Morne Deux Mamelles, reaching 1,276 meters in elevation and is the highest mountain at the western end of the Tiburon Peninsula.  Patches of the original (primary) forest remain at elevations above 1,000 meters, growing on highly dissected limestone rock.

Les Mamelles Lighthouse: Les Mamelles Lighthouse (French: "Phare des Mamelles" ) is a strategically important lighthouse situated near Cap Vert, the westernmost point of Africa, on the outskirts of Dakar the capital of Senegal.  Completed in 1864, it has been described as "one of the world's great lighthouses, guiding ships around the western tip of Africa".

Denise Duval: Denise Duval (Paris, 23 October 1921Bex, 25 January 2016) was a French soprano, best known for her performances in the works of Francis Poulenc on stage and in recital.  During an international career, Duval created the roles of Thérèse in "Les mamelles de Tirésias", Elle in "La voix humaine", and excelled in the role of Blanche de la Force in "Dialogues of the Carmelites", leaving recordings of these and several other of her main roles.

Victoire Jean-Baptiste: Victoire Jean-Baptiste (1861–1923), known as "La Belle Victoire", was a Haitian politician de facto, mistress to president Florvil Hyppolite and highly influential during his reign.  She had previously been the mistress of Hyppolite's successor, Tirésias Simon Sam, and was granted immunity by him after the death of Florvil Hyppolite.

China–Seychelles relations: Diplomatic relations between China and Seychelles were established on June 30, 1976.  China began providing Seychelles with diplomatic aide in 1977, including things such as constructing a poly-technical school and developing housing project in Les Mamelles.  In 2002, China exported USD 1.48 million worth of goods, while importing only $100,000 from Seychelles.  The current Chinese ambassador to Seychelles is Wang Weiguo, who heads the embassy in Saint Louis, on the island of Mahe.  The current ambassador to China from Seychelles is Philippe Le Gall.

Les mamelles de Tirésias: Les mamelles de Tirésias ("The Breasts of Tiresias") is an "opéra bouffe" by Francis Poulenc, in a prologue and two acts based on the play of the same title by Guillaume Apollinaire.  The opera was written in 1945 and first performed in 1947.

African Renaissance Monument: The African Renaissance Monument (French: "Le Monument de la Renaissance Africaine" ) is a 49 meter tall bronze statue located on top of one of the twin hills known as Collines des Mamelles, outside Dakar, Senegal.  Built overlooking the Atlantic Ocean in the Ouakam suburb, the statue was designed by the Senegalese architect Pierre Goudiaby after an idea presented by president Abdoulaye Wade and built by Mansudae Overseas Projects, a company from North Korea.  Site preparation on top of the 100-meter high hill began in 2006, and construction of the bronze statue began 3 April 2008.  Originally scheduled for completion in December 2009, delays stretched into early 2010, and the formal dedication occurred on 4 April 2010, Senegal's "National Day", commemorating the 50th anniversary of the country's independence from France.  It is the tallest statue in Africa.

Supporting paragraphs: Macbeth (opera) Les mamelles de Tirésias
Answer: Macbeth