In this task, you're given passages that contain mentions of names of people, places, or things. Some of these mentions refer to the same person, place, or thing. Your job is to write questions that evaluate one's understanding of such references. Good questions are expected to link pronouns (she, her, him, his, their, etc.) or other mentions to people, places, or things to which they may refer. Do not ask questions that can be answered correctly without understanding the paragraph or having multiple answers. Avoid questions that do not link phrases referring to the same entity. For each of your questions, the answer should be one or more phrases in the paragraph, and it should be unambiguous.

[EX Q]: Passage: Located within the Klamath–Siskiyou region, known for its high biodiversity, the monument supports 391 vascular plant species as well as many species of bryophyte, lichen, and macrofungi. Trees in the monument include Douglas fir, oak, white fir, and alder. Among the oldest trees is Big Tree, thought to be the widest Douglas fir in the state. It is 41 feet (12 m) in circumference near the base. Its age is estimated at 600 to 800 years, and it was described in the 1930s as 14 feet (4.3 m) in diameter. The monument contains no plants with special conservation status.Species lists for the park include about 50 mammals, 86 birds, 11 reptiles and amphibians, 8 bats, more than 200 arthropods, 8 snails and slugs, 75 butterflies, more than 55 moths, and 8 aquatic macroinvertebrates. Of these species, 160 are found inside the cave. Outside the cave, the black-tailed deer, Steller's jay, the common raven, and Townsend's chipmunk are among animals often seen in the park. Less commonly sighted are the black bear, cougar, northern flying squirrel, and Pacific giant salamander. Springs and other wet places support flatworms, frogs, and snails.Animal species in the park with special conservation status are the northern spotted owl, California mountain kingsnake, tailed frog, Del Norte salamander, northern goshawk, olive-sided flycatcher, little willow flycatcher, Siskiyou gazelle beetle, and Pacific fisher. Five at-risk bat species are found in the cave: Townsend's big-eared bat, and the long-eared, fringed, long-legged, and Yuma myotis.
[EX A]: What are the names of the at-risk bat species in the park with 50 mammals?

[EX Q]: Passage: Harrison married model Pattie Boyd on 21 January 1966, with McCartney serving as best man. Harrison and Boyd had met in 1964 during the production of the film A Hard Day's Night, in which the 19-year-old Boyd had been cast as a schoolgirl. They separated in 1974 and their divorce was finalised in 1977. Boyd said her decision to end the marriage was due largely to George's repeated infidelities. The last infidelity culminated in an affair with Ringo's wife Maureen, which Boyd called "the final straw". She characterised the last year of their marriage as "fuelled by alcohol and cocaine", and she stated: "George used coke excessively, and I think it changed him ... it froze his emotions and hardened his heart." She subsequently moved in with Eric Clapton, and they married in 1979.Harrison married Dark Horse Records' secretary Olivia Trinidad Arias on 2 September 1978. They had met at the A&M Records offices in Los Angeles in 1974, and together had one son, Dhani Harrison, born on 1 August 1978.He restored the English manor house and grounds of Friar Park, his home in Henley-on-Thames, where several of his music videos were filmed including "Crackerbox Palace"; the grounds also served as the background for the cover of All Things Must Pass. He employed ten workers to maintain the 36-acre (15 ha) garden. Harrison commented on gardening as a form of escapism: "Sometimes I feel like I'm actually on the wrong planet, and it's great when I'm in my garden, but the minute I go out the gate I think: 'What the hell am I doing here?'" His autobiography, I, Me, Mine, is dedicated "to gardeners everywhere". The former Beatles publicist Derek Taylor helped Harrison write the book, which said little about the Beatles, focusing instead on Harrison's hobbies, music and lyrics. Taylor commented: "George is not disowning the Beatles ... but it was a long time ago and actually a short part of his life."Harrison had an interest in sports cars and motor racing; he was one of the 100 people who purchased the McLaren F1 road car. He had collected photos of racing drivers and their cars since he was young; at 12 he had attended his first race, the 1955 British Grand Prix at Aintree. He wrote "Faster" as a tribute to the Formula One racing drivers Jackie Stewart and Ronnie Peterson. Proceeds from its release went to the Gunnar Nilsson cancer charity, set up after the Swedish driver's death from the disease in 1978. Harrison's first extravagant car, a 1964 Aston Martin DB5, was sold at auction on 7 December 2011 in London. An anonymous Beatles collector paid £350,000 for the vehicle that Harrison had bought new in January 1965.
[EX A]: What were the last names of the two people who were married and McCartney was the best man?

[EX Q]: Passage: Portrait Diptych of Dürer's Parents (or Dürer's Parents with Rosaries) is the collective name for two late-15th century portrait panels by the German painter and printmaker Albrecht Dürer. They show the artist's parents, Barbara Holper (c. 1451–1514) and Albrecht Dürer the Elder (c. 1427–1502), when she was around 39 and he was 63 years. The portraits are unflinching records of the physical and emotional effects of ageing. The Dürer family was close and Dürer may have intended the panels either to display his skill to his parents or as keepsakes while he travelled soon after as a journeyman painter.
They were created either as pendants, that is conceived as a pair and intended to hang alongside each other, or diptych wings. However this formation may have been a later conception; Barbara's portrait seems to have been executed some time after her husband's and it is unusual for a husband to be placed to the viewer's right in paired panels. His father's panel is considered the superior work and has been described as one of Dürer's most exact and honest portraits. They are among four paintings or drawings Dürer made of his parents, each of which unsentimentally examines the deteriorating effects of age. His later writings contain eulogies for both parents, from which the love and respect he felt toward them is evident.
Each panel measured 47.5 cm x 39.5 cm (18.7 in x 15.6 in), but the left hand panel has been cut down. They have been separated since at least 1628, until Barbara's portrait—long considered lost—was reattributed in 1977. The panels were reunited in the Germanisches Nationalmuseum's 2012 exhibition "The Early Dürer".
[EX A]:
Whose portraits are described as unflinching records of the effects of ageing?