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.

Passage: Minnesota has some of the earth's oldest rocks, gneisses that are about 3.6 billion years old (80% as old as the planet). About 2.7 billion years ago, basaltic lava poured out of cracks in the floor of the primordial ocean; the remains of this volcanic rock formed the Canadian Shield in northeast Minnesota. The roots of these volcanic mountains and the action of Precambrian seas formed the Iron Range of northern Minnesota. Following a period of volcanism 1.1 billion years ago, Minnesota's geological activity has been more subdued, with no volcanism or mountain formation, but with repeated incursions of the sea, which left behind multiple strata of sedimentary rock.In more recent times, massive ice sheets at least one kilometer thick ravaged the state's landscape and sculpted its terrain. The Wisconsin glaciation left 12,000 years ago. These glaciers covered all of Minnesota except the far southeast, an area characterized by steep hills and streams that cut into the bedrock. This area is known as the Driftless Zone for its absence of glacial drift. Much of the remainder of the state outside the northeast has 50 feet (15 m) or more of glacial till left behind as the last glaciers retreated. Gigantic Lake Agassiz formed in the northwest 13,000 years ago. Its bed created the fertile Red River valley, and its outflow, glacial River Warren, carved the valley of the Minnesota River and the Upper Mississippi downstream from Fort Snelling. Minnesota is geologically quiet today; it experiences earthquakes infrequently, and most of them are minor. 
Question: What is the name of the area in Minnesota was not covered by massive ice sheets?
the Driftless Zone.

Passage: The first three symphonies, to which Vaughan Williams assigned titles rather than numbers, form a sub-group within the nine, having programmatic elements, absent from the later six.A Sea Symphony (1910), the only one of the series to include a part for full choir, differs from most earlier choral symphonies in that the choir sings in all the movements. The extent to which it is a true symphony has been debated; in a 2013 study, Alain Frogley describes it as a hybrid work, with elements of symphony, oratorio and cantata. Its sheer length—about eighty minutes—was unprecedented for an English symphonic work, and within its thoroughly tonal construction it contains harmonic dissonances that pre-echo the early works of Stravinsky which were soon to follow.A London Symphony (1911–1913) which the composer later observed might more accurately be called a "symphony by a Londoner", is for the most part not overtly pictorial in its presentation of London. Vaughan Williams insisted that it is "self-expressive, and must stand or fall as 'absolute' music". There are some references to the urban soundscape: brief impressions of street music, with the sound of the barrel organ mimicked by the orchestra; the characteristic chant of the lavender-seller; the jingle of hansom cabs; and the chimes of Big Ben played by harp and clarinet. But commentators have heard—and the composer never denied or confirmed—some social comment in sinister echoes at the end of the scherzo and an orchestral outburst of pain and despair at the opening of the finale. Schwartz comments that the symphony, in its "unified presentation of widely heterogeneous elements", is "very much like the city itself". Vaughan Williams said in his later years that this was his favourite of the symphonies.The last of the first group is A Pastoral Symphony (1921). The first three movements are for orchestra alone; a wordless solo soprano or tenor voice is added in the finale. Despite the title the symphony draws little on the folk-songs beloved of the composer, and the pastoral landscape evoked is not a tranquil English scene, but the French countryside ravaged by war. Some English musicians who had not fought in the First World War misunderstood the work and heard only the slow tempi and quiet tone, failing to notice the character of a requiem in the music and mistaking the piece for a rustic idyll. Kennedy comments that it was not until after the Second World War that "the spectral 'Last Post' in the second movement and the girl's lamenting voice in the finale" were widely noticed and understood. 
Question: What is the title of the symphony that draws little on the folk-songs beloved by the composer?
A Pastoral Symphony.

Passage: Yorke said that the starting point for the record was the "incredibly dense and terrifying sound" of Bitches Brew, the 1970 avant-garde jazz fusion album by Miles Davis. He described the sound of Bitches Brew to Q: "It was building something up and watching it fall apart, that's the beauty of it. It was at the core of what we were trying to do with OK Computer." Yorke identified "I'll Wear It Proudly" by Elvis Costello, "Fall on Me" by R.E.M., "Dress" by PJ Harvey and "A Day in the Life" by the Beatles as particularly influential on his songwriting. Radiohead drew further inspiration from the recording style of film soundtrack composer Ennio Morricone and the krautrock band Can, musicians Yorke described as "abusing the recording process". Jonny Greenwood described OK Computer as a product of being "in love with all these brilliant records ... trying to recreate them, and missing."According to Yorke, Radiohead hoped to achieve an "atmosphere that's perhaps a bit shocking when you first hear it, but only as shocking as the atmosphere on the Beach Boys' Pet Sounds." They expanded their instrumentation to include electric piano, Mellotron, cello and other strings, glockenspiel and electronic effects. Jonny Greenwood summarised the exploratory approach as "when we've got what we suspect to be an amazing song, but nobody knows what they're gonna play on it." Spin characterised OK Computer as sounding like "a DIY electronica album made with guitars".Critics suggested a stylistic debt to 1970s progressive rock, an influence that Radiohead have disavowed. According to Andy Greene in Rolling Stone, Radiohead "were collectively hostile to seventies progressive rock ... but that didn't stop them from reinventing prog from scratch on OK Computer, particularly on the six-and-a-half-minute 'Paranoid Android'." Writing in 2017, The New Yorker's Kelefa Sanneh said OK Computer "was profoundly prog: grand and dystopian, with a lead single that was more than six minutes long.". 
Question: What is the name of the person who described the sound of Bitches Brew as "building something up and watching it fall apart"?

Yorke.