Problem:In Paris in the 1890s, the Palais Garnier opera house is believed to be haunted by an entity known as the Phantom of the Opera, or simply the Opera Ghost. A stagehand named Joseph Buquet is found hanged and the rope around his neck goes missing. At a gala performance for the retirement of the opera house's two managers, a young little-known Swedish soprano, Christine Daae, is called upon to sing in the place of the Opera's leading soprano, Carlotta, who is ill, and her performance is an astonishing success. The Vicomte Raoul de Chagny, who was present at the performance, recognises her as his childhood playmate, and recalls his love for her. He attempts to visit her backstage, where he hears a man complimenting her from inside her dressing room. He investigates the room once Christine leaves, only to find it empty.

Answer this question based on the passage: when did phantom of the opera take place?
Solution:OK... To answer the above question, the relevant sentence is: In Paris in the 1890s, the Palais Garnier opera house is believed to be haunted by an entity known as the Phantom of the Opera, or simply the Opera Ghost.
in the 1890s.

Student A:DC's Legends of Tomorrow, or simply Legends of Tomorrow, is an American superhero action-adventure television series developed by Greg Berlanti, Marc Guggenheim, Andrew Kreisberg, and Phil Klemmer, who are also executive producers along with Sarah Schechter and Chris Fedak; Klemmer and Fedak serve as showrunners. The series, based on the characters of DC Comics, airs on The CW and is a spin-off from Arrow and The Flash, existing in the same fictional universe. The series premiered on January 21, 2016. In January 2017, The CW renewed the series for a third season, which is scheduled to debut on October 10, 2017.

When does dc legends of tomorrow come out?
Student B:OK... To answer this question, we should know that: The series premiered on January 21, 2016.
January 21 , 2016.

Problem:The kina (ISO 4217 code: PGK) is the currency of Papua New Guinea. It is divided into 100 toea. The kina was introduced on 19 April 1975, replacing the Australian dollar at par. The name kina is derived from Kuanua language of the Tolai region, referring to a callable pearl shell used widely for trading in both the Coastal and Highlands areas of the country.

Answer this question based on the passage: what is the currency of papua new guinea?
Solution:OK... The relevant information is: The kina (ISO 4217 code: PGK) is the currency of Papua New Guinea.
The kina.

Student A:Sarah Jane Hyland (born November 24, 1990) is an American actress. Born in New York City, Hyland attended the Professional Performing Arts School in Manhattan, followed by small roles in the films Private Parts (1997), Annie (1999), and Blind Date (2007). She gained her first major role as Haley Dunphy on the ABC sitcom Modern Family, for which she has received critical acclaim and numerous accolades and nominations, sharing four Screen Actors Guild Award for Outstanding Performance by an Ensemble in a Comedy Series with her cast members and garnering a Critics' Choice Television Award nomination Best Supporting Actress in a Comedy Series.

Answer this question: who is the girl that plays haley in modern family?
Student B:OK... The important part for answering this question is: She gained her first major role as Haley Dunphy on the ABC sitcom Modern Family, for which she has received critical acclaim and numerous accolades and nominations, sharing four Screen Actors Guild Award for Outstanding Performance by an Ensemble in a Comedy Series with her cast members and garnering a Critics' Choice Television Award nomination Best Supporting Actress in a Comedy Series.
Sarah Jane Hyland.

Problem:There are over 2,500 police dogs employed amongst the various police forces in the UK, with the German Shepherd as the most popular breed for general purpose work. The Belgian Malinois is also gaining in popularity; in 2008, a Belgian Malinois female handled by PC Graham Clarke won the National Police Dog Trials with the highest score ever recorded.

Answer this question: how many police dogs are there in the uk?
Solution:OK... To answer the above question, the relevant sentence is: There are over 2,500 police dogs employed amongst the various police forces in the UK, with the German Shepherd as the most popular breed for general purpose work.
2,500.

Problem:As of May 17, 2018, 138 episodes of Arrow have aired, concluding the sixth season. On April 2, 2018, the CW renewed the series for a seventh season.

Answer this question based on the passage: when was the last episode of arrow aired?
Solution:
OK... The important part for answering this question is: As of May 17, 2018, 138 episodes of Arrow have aired, concluding the sixth season.
May 17 , 2018.