In this task, you're expected to write answers to questions involving multiple references to the same entity. The answer to the question should be unambiguous and a phrase in the paragraph. Most questions can have only one correct answer.
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Question: Passage: Two impecunious English sisters, Ellen and Agnes Isit (Dulcie Gray and Margaret Johnston), unexpectedly inherit a Neapolitan villa from a deceased uncle and move to Italy to view and sell their property. A local man, Salvatore, has since a boy been employed by the deceased uncle becoming major domo and he now manages the villa and its vineyard. Exploring her late uncles' studio, Ellen uncovers a painting of a nude Salvatore as Bacchus.
Soon Ellen becomes drawn to the carefree life of the locals and the romantic charisma of Salvatore, while the prudish Agnes resists. During the raucous revelry of the grape-treading festival, Agnes succumbs to her suppressed desire. Rushing to the balcony she cries out for Salvatore who drops Ellen and climbs from the grape vat and to her bed.  The pair are quickly married, and husband Salvatore now is master of the estate.
Soon, Ellen becomes aware of a change in Salvatore's behaviour towards Agnes.  Not long after the marriage, Agnes' health begins to deteriorate and Ellen's suspicions are aroused.  She expresses her concerns to a visiting English doctor, Benjamin Dench who is Agnes's former fiance'. Ellen is convinced that Agnes is being poisoned.  She enlists Dench's help in trying to prove that Salvatore is slowly murdering her sister with arsenic.  The villa once belonged to Salvatore's family and he has long been determined to regain ownership. Having poisoned his employer to inherit he had not anticipated the sisters arrival on the scene. 
Question: What is the name of the person Salvatore may be poisoning with arsenic?

Answer: Agnes Isit.


Question: Passage: Bush starred in the 1990 black comedy film Les Dogs, produced by The Comic Strip for BBC television. Bush plays the bride Angela at a wedding set in a post-apocalyptic Britain. In another Comic Strip Presents film, GLC, she produced and sang on the theme song "Ken". The song was written about Ken Livingstone, the leader of the Greater London Council and future mayor of London, who at the time was working with musicians to help the Labour Party garner the youth vote.Bush wrote and performed the song "The Magician", using a fairground-like arrangement, for Menahem Golan's 1979 film The Magician of Lublin. The track was scored and arranged by Michael Kamen. In 1986, she wrote and recorded "Be Kind to My Mistakes" for the Nicolas Roeg film Castaway. An edited version of this track was used as the B-side to her 1989 single "This Woman's Work". In 1988, the song "This Woman's Work" was featured in the John Hughes film She's Having a Baby, and a slightly remixed version appeared on Bush's album The Sensual World. The song has since appeared on television shows, and in 2005 reached number-eight on the UK download chart after featuring in a British television advertisement for the charity NSPCC.In 1999, Bush wrote and recorded a song for the Disney film Dinosaur, but the track was not included on the soundtrack. According to the winter 1999 issue of HomeGround, a Bush fanzine, it was scrapped when Disney asked her to rewrite the song and she refused. Also in 1999, Bush's song "The Sensual World" was featured prominently in Canadian filmmaker Atom Egoyan's film "Felicia's Journey".In 2007, Bush was asked to write a song for The Golden Compass soundtrack which made reference to the lead character, Lyra Belacqua. The song, "Lyra", was used in the closing credits of the film, reached number 187 in the UK Singles Chart and was nominated for the International Press Academy's Satellite Award for original song in a motion picture. According to Del Palmer, Bush was asked to compose the song on short notice and the project was completed in 10 days. 
Question: What was the name of the person that reached number-eight on the UK download chart in 2005 with This Woman's Work?

Answer: Bush.


Question: Passage: In the US, "Diamonds" debuted at number 16 on the Billboard Hot 100 and sold 133,000 copies in its first week. In its fourth week, it climbed to number eight on the chart and became Rihanna's twenty-third top-ten single. For the week ending December 1, 2012, the song became Rihanna's twelfth number-one on the chart, which ended the nine-week reign of Maroon 5's "One More Night". With the feat, Rihanna tied Madonna and Supremes as the artists with the fifth-most number ones in the chart's history. Rihanna also passed Mariah Carey as the female artist to mark 12 number-one songs the fastest on the chart by achieving the feat in six years and seven months, which bested Carey's stretch of seven years, one month, and two weeks. "Diamonds" charted for a second consecutive week atop the Hot 100, while her album Unapologetic topped the Billboard 200. As a result, Rihanna became only the second artist of 2012 to top both the Billboard singles and albums charts simultaneously; the first to do so was English singer Adele.On the Radio Songs chart, "Diamonds" debuted at number 28. In its fourth week, it climbed to number ten, becoming Rihanna's 19th top ten, breaking a tie with Lil Wayne for the second-best sum in the list's 22-year history; only Mariah Carey (23) has more. For the issue dated December 15, the song topped the chart, becoming Rihanna's tenth number one and placing second for female artists with the most chart toppers, only behind Mariah Carey (11). On the Pop Songs chart, "Diamonds" debuted at number 29, extending Rihanna's lead as the artist with the most appearances on the chart. On October 11, 2012, Billboard unveiled new methodology for the Hot R&B/Hip-Hop Songs chart, newly factoring digital download sales and streaming data into the 50-position rankings, along with existing radio airplay data monitored by Nielsen BDS. Due to this, "Diamonds" saw a huge leap from number 66 to number one, marking Rihanna's second single as a lead artist to top the chart; it topped the chart for fourteen consecutive weeks. "Diamonds" topped the Dance Club Songs chart, becoming Rihanna's nineteenth number one, tying her with Janet Jackson for the second-most number ones in the chart's 36-year history. Only Madonna has more (43). "Diamonds" was certified sextuple platinum by the Recording Industry Association of America (RIAA).
In Canada, the song debuted at number nine on the Canadian Hot 100 for the issue dated October 13, 2012. The song peaked at number one on the issue dated November 24, 2012, becoming Rihanna's sixth single to reach number one on the chart. It remained atop of it for four consecutive weeks. It was certified platinum by Music Canada denoting sales of over 80,000 copies. 
Question: Whose song made it to number 1 on the Billboard Top 100?

Answer:
Rihanna.