TASK DEFINITION: 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.
PROBLEM: Passage: Minogue has been inspired by and compared to Madonna throughout her career. Her producer, Pete Waterman, recalled Minogue during the early years of her success with the observation: "She was setting her sights on becoming the new Prince or Madonna ... What I found amazing was that she was outselling Madonna four to one, but still wanted to be her." Minogue received negative comments that her Rhythm of Love tour in 1991 was too similar visually to Madonna's Blond Ambition World Tour, for which critics labelled her a Madonna wannabe. Rufus Wainwright wrote for the Observer Music Monthly, "Madonna subverts everything for her own gain. I went to see her London show and it was all so dour and humourless. She surpasses even Joan Crawford in terms of megalomania. Which in itself makes her a kind of dark, gay icon ... I love Kylie, she's the anti-Madonna. Self-knowledge is a truly beautiful thing and Kylie knows herself inside out. She is what she is and there is no attempt to make quasi-intellectual statements to substantiate it. She is the gay shorthand for joy." Kathy McCabe for The Telegraph noted that Minogue and Madonna follow similar styles in music and fashion, but concluded, "Where they truly diverge on the pop-culture scale is in shock value. Minogue's clips might draw a gasp from some but Madonna's ignite religious and political debate unlike any other artist on the planet ... Simply, Madonna is the dark force; Kylie is the light force." Rolling Stone commented that, with the exception of the US, Minogue is regarded throughout the world as "an icon to rival Madonna", saying, "Like Madonna, Minogue was not a virtuosic singer but a canny trend spotter." Minogue has said of Madonna, "Her huge influence on the world, in pop and fashion, meant that I wasn't immune to the trends she created. I admire Madonna greatly but in the beginning she made it difficult for artists like me, she had done everything there was to be done", and "Madonna's the Queen of Pop, I'm the princess. I'm quite happy with that."In January 2007, Madame Tussauds in London unveiled its fourth waxwork of Minogue; only Queen Elizabeth II has had more models created. During the same week a bronze cast of her hands was added to Wembley Arena's "Square of Fame". On 23 November 2007, a bronze statue of Minogue was unveiled at Melbourne Docklands for permanent display.
Question: What is the last name of the singer that had their London concert described as dour and humourless?

SOLUTION: Minogue.

PROBLEM: Passage: Whales are a widely distributed and diverse group of fully aquatic placental marine mammals. They are an informal grouping within the infraorder Cetacea, usually excluding dolphins and porpoises. Whales, dolphins and porpoises belong to the order Cetartiodactyla, which consists of even-toed ungulates. Their closest living relatives are the hippopotamuses, having diverged about 40 million years ago. The two parvorders of whales, baleen whales (Mysticeti) and toothed whales (Odontoceti), are thought to have split apart around 34 million years ago. Whales consist of eight extant families: Balaenopteridae (the rorquals), Balaenidae (right whales), Cetotheriidae (the pygmy right whale), Eschrichtiidae (the grey whale), Monodontidae (belugas and narwhals), Physeteridae (the sperm whale), Kogiidae (the dwarf and pygmy sperm whale), and Ziphiidae (the beaked whales).
Whales are creatures of the open ocean; they feed, mate, give birth, suckle and raise their young at sea. So extreme is their adaptation to life underwater that they are unable to survive on land. Whales range in size from the 2.6 metres (8.5 ft) and 135 kilograms (298 lb) dwarf sperm whale to the 29.9 metres (98 ft) and 190 metric tons (210 short tons) blue whale, which is the largest creature that has ever lived. The sperm whale is the largest toothed predator on earth. Several species exhibit sexual dimorphism, in that the females are larger than males. Baleen whales have no teeth; instead they have plates of baleen, a fringe-like structure used to expel water while retaining the krill and plankton which they feed on. They use their throat pleats to expand the mouth to take in huge gulps of water. Balaenids have heads that can make up 40% of their body mass to take in water. Toothed whales, on the other hand, have conical teeth adapted to catching fish or squid. Baleen whales have a well developed sense of "smell", whereas toothed whales have well-developed hearing their hearing, that is adapted for both air and water, is so well developed that some can survive even if they are blind. Some species, such as sperm whales, are well adapted for diving to great depths to catch squid and other favoured prey.
Question: What are the types of whales that use throat pleats to expand the mouth?

SOLUTION: Baleen.

PROBLEM: Passage: No Line on the Horizon is the 12th studio album by Irish rock band U2. It was produced by Brian Eno, Daniel Lanois, and Steve Lillywhite, and was released on 27 February 2009. It was the band's first record since How to Dismantle an Atomic Bomb (2004), marking the longest gap between studio albums of their career to that point. The band originally intended to release the songs as two EPs, but later combined the material into a single record. Photographer Anton Corbijn shot a companion film, Linear, which was released alongside the album and included with several special editions.
U2 began work on the album in 2006 with record producer Rick Rubin but shelved most of the material from those sessions. In May 2007, the group began new sessions with Eno and Lanois in Fez, Morocco. Intending to write "future hymns"songs that would be played foreverthe group spent two weeks recording in a riad and involved the producers in the songwriting process. Having grown tired of writing in the first-person, lead singer Bono wrote his lyrics from the perspective of different characters. Recording continued at several studios in the United States, United Kingdom, and Ireland through December 2008. The group had intended to release No Line on the Horizon in November, but after composing 50 to 60 songs, they delayed the release to continue writing.
Prior to the album's release, U2 indicated that Eno's and Lanois' involvement, as well as the band's time in Fez, had resulted in a more experimental record than their previous two albums. The band compared the shift in style to that seen between The Joshua Tree (1987) and Achtung Baby (1991). Upon its release, No Line on the Horizon received generally favourable reviews, although many critics noted that it was not as experimental as previously suggested. The album debuted at number one in 30 countries but did not sell as well as anticipated; the band expressed disappointment over the relatively low sales, compared to previous albums, of five million copies. By contrast, the supporting U2 360 Tour from 2009 to 2011 was the highest-grossing concert tour in history, with ticket sales over $736 million.
Question: In what countries was No Line on the Horizon recorded?

SOLUTION:
United States.