Question: Which opera has more acts, Il matrimonio segreto or Lohengrin?
Context: Robin Guarino (born April 3, 1960) is an opera and film director.  She has directed operas such as "The Marriage of Figaro", "Don Giovanni", "Lohengrin", "Così fan tutte" , and "The Magic Flute" at the Metropolitan Opera.  Also, she has directed at Seattle Opera, Glimmerglass Opera, Chautauqua Opera, Virginia Opera, and Wolf Trap Opera.  She continues to direct, most recently "L'etoile" and "The Marriage of Figaro" for the Wolf Trap Opera Festival, " La Calisto", "The Magic Flute" and "Iphigénie en Aulide" for Juilliard Opera Center, and at Gotham Chamber Opera, "Il Signor Bruschino".  She currently holds the J. Ralph Corbett Distinguished Chair in Opera at the University of Cincinnati College-Conservatory of Music." Il matrimonio segreto ("The Secret Marriage") is an opera in two acts, music by Domenico Cimarosa, on a libretto by Giovanni Bertati, based on the play "The Clandestine Marriage" by George Colman the Elder and David Garrick.  It was first performed on 7 February 1792 at the Imperial Hofburg Theatre in Vienna in the presence of Emperor Leopold II. Elisabetta Gnone (born April 13, 1965) is an Italian writer.  In April 2001, she co-created the Italian comic/magazine "W.I.T.C.H." with Alessandro Barbucci and Barbara Canepa.  The publication was later made into the television series of the same name.  Gnone also wrote the children's trilogy "Fairy Oak: Il segreto delle gemelle" (The Secret of the Twins), "L'incanto del buio" (The Spell of Darkness), and "Il potere della luce" (The Power of Light).  She expanded the Fairy Oak Universe with four more books, "The four mysteries": "Captain Grisam's love", "Shirley's wizarding days", "Flox smiles in autumn", and "Good-bye Fairy Oak". Bernhard Bötel (1883–1953) was a German operatic tenor and actor who had an active career in Germany and Austria during the first half of the 20th century.  He made recordings for several record labels during the early years of the recording industry, including His Master's Voice, Odeon Records, Polydor Records, Tri-Ergon, and Vox Records.  On the stage he sang a variety of roles in operas and operettas from leading parts to comprimario roles.  His stage repertoire included Belmonte in Wolfgang Amadeus Mozart's "Die Entführung aus dem Serail", Chapelou in Adolphe Adam's "Le postillon de Lonjumeau", Count Almaviva in Gioachino Rossini's "The Barber of Seville", Daniel in Franz Lehár's "The Merry Widow", the Duke of Mantua in Giuseppe Verdi's "Rigoletto", Gabriel von Eisenstein in Johann Strauss II's "Die Fledermaus", Indigo in Strauss' "Indigo und die vierzig Räuber", Jeník in Bedřich Smetana's "The Bartered Bride", Paolino in Domenico Cimarosa's "Il matrimonio segreto", Pâris in Jacques Offenbach's "La belle Hélène", Pietro in Franz von Suppé's "Boccaccio", and Wilhelm Meister in Ambroise Thomas' "Mignon". La cambiale di matrimonio (The Bill of Marriage or The Marriage Contract) is a one-act operatic farsa comica by Gioachino Rossini to a libretto by Gaetano Rossi.  The libretto was based on the play by Camillo Federici (1791) and a previous libretto by Giuseppe Checcherini for Carlo Coccia's 1807 opera, "Il matrimonio per lettera di cambio".  The opera debuted on 3 November 1810 at the Teatro San Moisè in Venice Domenico Cimarosa (] ; 17 December 1749, Aversa, Kingdom of Naples, now Province of Caserta – 11 January 1801, Venice) was an Italian opera composer of the Neapolitan school.  He wrote more than eighty operas during his lifetime, including his masterpiece, "Il matrimonio segreto" (1792).  Cimarosa also wrote numerous instrumental works, both secular and religious in nature. Ermanno Wolf-Ferrari (born Ermanno Wolf) (January 12, 1876 – January 21, 1948) was an Italian composer and teacher.  He is best known for his comic operas such as "Il segreto di Susanna" (1909).  A number of his works were based on plays by Carlo Goldoni, including "Le donne curiose" (1903), "I quatro rusteghi" (1906) and "Il campiello" (1936). La gazzetta, ossia Il matrimonio per concorso (The Newspaper, or The Marriage Contest) is an opera buffa by Gioachino Rossini.  The libretto was by Giuseppe Palomba after Carlo Goldoni's play "Il matrimonio per concorso" of 1763. Marriage (Italian: "Il matrimonio" ) is a 1954 Italian comedy film directed by Antonio Petrucci.  It consists of three segments, based on three stage plays by Anton Chekhov. Lohengrin, WWV 75, is a Romantic opera in three acts composed and written by Richard Wagner, first performed in 1850.  The story of the eponymous character is taken from medieval German romance, notably the "Parzival" of Wolfram von Eschenbach and its sequel, "Lohengrin", written by a different author, itself inspired by the epic of "Garin le Loherain".  It is part of the Knight of the Swan tradition.
Answer: Lohengrin