Given the task definition, example input & output, solve the new input case.
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.
Example: Passage: Nearing London, Oliver encounters Jack Dawkins, a pickpocket more commonly known by the nickname the "Artful Dodger", and his sidekick, a boy of a humorous nature named Charley Bates, but Oliver's innocent and trusting nature fails to see any dishonesty in their actions. The Dodger provides Oliver with a free meal and tells him of a gentleman in London who will "give him lodgings for nothing, and never ask for change". Grateful for the unexpected assistance, Oliver follows the Dodger to the "old gentleman's" residence. In this way Oliver unwittingly falls in with an infamous Jewish criminal known as Fagin, the gentleman of whom the Artful Dodger spoke. Ensnared, Oliver lives with Fagin and his gang of juvenile pickpockets in their lair at Saffron Hill for some time, unaware of their criminal occupations. He believes they make wallets and handkerchiefs.
Output: Who believes Fagin's gang make wallets and handkerchiefs?.
This question is based on the following sentence in the passage "He believes they make wallets and handkerchiefs". It evaluates the understanding that the pronoun "he" refers to name "Oliver". You can ask questions like this one about most pronouns in a paragraph.

New input case for you: Passage: The painting shows the moment from Summer in which Musidora, having removed the last of her clothes, steps into "the lucid coolness of the flood" to "bathe her fervent limbs in the refreshing stream". Damon is not shown; instead, Etty illustrates the scene from Damon's viewpoint. By placing the audience in Damon's position, Etty aimed to induce the same reactions in the viewer as Damon's dilemma as described by Thomson; that of whether to enjoy the spectacle despite knowing it to be inappropriate, or to follow the accepted morality of the time and look away, in what art historian Sarah Burnage has described as "a titillating moral test for spectators to both enjoy and overcome".The pose of Musidora is based on that of the Aphrodite of Cnidus and the Venus de' Medici. It is possible that Etty was also familiar with Thomas Gainsborough's Musidora, which shares similar elements. Gainsborough's Musidora, his only large nude, was never exhibited in his lifetime and remained in private hands until 1847, but Etty was familiar with its then-owner Robert Vernon and may have seen it in his collection.
The setting for the painting is a pool in the grounds of The Plantation, a house in the village of Acomb, near York. The Plantation was the home of his close friend and patron the Reverend Isaac Spencer, vicar of Acomb, and its grounds were a scene Etty had previously painted. In 1846 Etty bought a house in York for his retirement; Burnage speculates that Etty chose Acomb on the grounds that a view of York was quintessentially English.Although Etty had traditionally worked in the Venetian style of painting, with rich colours and detail, for Musidora he adopted a much softer and earthier palette, although his use of reflected light on flesh is derived from Venetian styles. He moved away from Rubens, who up to this time had been his greatest influence, and closer to the style of Titian. This is likely owing to the nature of the subject matter. Until then his history paintings had primarily been of themes of classical mythology, and took place in brightly lit Mediterranean settings. The Seasons, by contrast, was seen as an explicitly English work, requiring a more muted palette to deal with the typical lighting conditions of Yorkshire.
Output:
What is the first name of the person whose only large nude was never exhibited in his lifetime and remained in private hands until 1847?