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 Input:
Passage: The Annunciation draws heavily on van der Weyden's 1430s Louvre Annunciation, his c. 1455 Saint Columba altarpiece, and the Clugny Annunciation (c. 146575), which is attributed to either van der Weyden or Memling. Memling almost certainly was apprenticed to van der Weyden in Brussels until setting up his own workshop in Bruges sometime after 1465. Memling's Annunciation is more innovative, with motifs such as the attendant angels that were absent in the earlier paintings. According to Till-Holger Borchert, not only was Memling familiar with van der Weyden's motifs and compositions, but he might have assisted with the underdrawing in van der Weyden's workshop. The shutters on the right are copied from the Louvre panel, the knotted curtain appears in the Columba triptych's "Annunciation".A sense of movement is conveyed throughout. The trailing edges of Gabriel's garment fall outside the pictorial space, indicating his arrival. The Virgin's "serpentine" pose, with attendant angels supporting her, adds to the sense of flow. Memling's use of color achieves a startling effect. The traditional rays of light are replaced with light color indicators; the white clothes rendered in "icy" blue, the angel to the right in yellow patches seems "bleached by light", the left-hand angel appears to be steeped in shadow, dressed in clothes of lavender and bearing deep green wings. The effect is iridescent, according to Blum, who writes, "this shimmering surface gives [the figures] an unearthly quality, separating them from the more believable world of the bedchamber." The effect deviates from the pure naturalism and realism which typifies Early Netherlandish art, causing a "startling" juxtaposition, an effect that is "unsteadying" and contradictory.

Ex Output:
What is the name of the person who might have assisted with the underdrawing in Van der Weyden's workshop?

Ex Input:
Passage: A remix album, titled Year Zero Remixed, was released in November 2007. Due to the expiration of his contract with Interscope Records, the album's release, marketing, and promotion were completely in Reznor's control. The album features remixes from artists including The Faint, Ladytron, Bill Laswell, Saul Williams, Olof Dreijer of The Knife, and Sam Fogarino of Interpol. Reznor himself strongly supports fan-made remixes of songs from the album, as evidenced by his decision to upload every song in multi-track form to the then-newly launched Nine Inch Nails remix website. Instrumental versions of the songs on Year Zero are available at the site for download in multiple formats, including MP3, WAV, GarageBand, and Ableton Live formats.
A planned film adaption of Year Zero became a television project in 2007. Reznor met with various writers and pitched the idea to television networks. The 200708 Writers Guild of America strike affected the pre-production stage. Nevertheless, Reznor commented in 2008 that the project is "still churning along", and that he had begun working with American film producer Lawrence Bender. In 2010, Reznor started developing the Year Zero miniseries with HBO and BBC Worldwide Productions. Reznor and Bender collaborated with Carnivale writer Daniel Knauf to create the science fiction epic. When asked about the miniseries during an "Ask Me Anything" session on Reddit on November 13, 2012, Reznor said it was "currently in a holding state" and explained, "We [Reznor and Sheridan] didn't find the right match with a writer, and really have been avoiding doing what we should have done from the beginning: write it ourselves. [...] This project means a lot to me and will see the light of day in one form or another." In 2017, during an interview promoting new Nine Inch Nails EP Add Violence, Reznor said that "They got so far as hiring a writer for it, but then it fell to shit because we never had the right writer. I should have just done it [myself].".

Ex Output:
What is the last name of the person whose contract expired?

Ex Input:
Passage: The crew of a malfunctioning alien cargo ship make an emergency landing on Earth. This draws the attention of four sexually-frustrated humans in a nearby park: Oliver and Prudence (a mild-mannered professional and his highly-strung fiancee), Willy (a bumbling shop assistant) and Cliff (a middle-aged man).
Oliver, Prudence, Willy and Cliff wander into the ship and encounter three aliens resembling human women: engineer Partha, nurse Cosia and the captain, known only as Skipper. Willy inadvertently drops some pornographic magazines that he has recently bought. The aliens mistake some approaching cows for a hostile force and hurriedly take off, despite warnings from the long-suffering computer about the precarious state of the ship's systems. Resuming their original course, they study their guests in detail. Fascinated by the anatomy of the males, they decide to sell them to a zoo for exotic lifeforms on a distant planet. They also debate the significance of the acts depicted in Willy's magazines. Partha is particularly keen to emulate them and enthusiastically has sex with Cliff.
Skipper, Cosia and Partha subject the males to a series of tests to learn more about their abilities. Oliver and Cliff fail miserably. However, Willy, looking for his magazines, beats Skipper's combat simulation by unknowingly evading her attacks, causing her to collapse with exhaustion and infer that he is a stronger being. While conducting a physical examination on Willy, Cosia discovers that his biology is more advanced than anything known to their species; encouraging Cosia with exaggerated claims about his sexual prowess, Willy loses his virginity to her. Later, he passes an intelligence test by a fluke and has sex with Partha.

Ex Output:
Who mistakes some approaching cows for a hostile force?