Given the following passage  "Many birds show plumage patterns in ultraviolet that are invisible to the human eye; some birds whose sexes appear similar to the naked eye are distinguished by the presence of ultraviolet reflective patches on their feathers. Male blue tits have an ultraviolet reflective crown patch which is displayed in courtship by posturing and raising of their nape feathers. Ultraviolet light is also used in foraging—kestrels have been shown to search for prey by detecting the UV reflective urine trail marks left on the ground by rodents. The eyelids of a bird are not used in blinking. Instead the eye is lubricated by the nictitating membrane, a third eyelid that moves horizontally. The nictitating membrane also covers the eye and acts as a contact lens in many aquatic birds. The bird retina has a fan shaped blood supply system called the pecten. Most birds cannot move their eyes, although there are exceptions, such as the great cormorant. Birds with eyes on the sides of their heads have a wide visual field, while birds with eyes on the front of their heads, such as owls, have binocular vision and can estimate the depth of field. The avian ear lacks external pinnae but is covered by feathers, although in some birds, such as the Asio, Bubo and Otus owls, these feathers form tufts which resemble ears. The inner ear has a cochlea, but it is not spiral as in mammals.",  answer the following question. Note that the answer is present within the text.  Question: What does urine leave behind?
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Answer: Ultraviolet light


Given the following passage  "In addition to the classical restaurants, Paris has several other kinds of traditional eating places. The café arrived in Paris in the 17th century, when the beverage was first brought from Turkey, and by the 18th century Parisian cafés were centres of the city's political and cultural life. The Cafe Procope on the Left Bank dates from this period. In the 20th century, the cafés of the Left Bank, especially Café de la Rotonde and Le Dôme Café in Montparnasse and Café de Flore and Les Deux Magots on Boulevard Saint Germain, all still in business, were important meeting places for painters, writers and philosophers. A bistro is a type of eating place loosely defined as a neighbourhood restaurant with a modest decor and prices and a regular clientele and a congenial atmosphere. Its name is said to have come in 1814 from the Russian soldiers who occupied the city; "bistro" means "quickly" in Russian, and they wanted their meals served rapidly so they could get back their encampment. Real bistros are increasingly rare in Paris, due to rising costs, competition from cheaper ethnic restaurants, and different eating habits of Parisian diners. A brasserie originally was a tavern located next to a brewery, which served beer and food at any hour. Beginning with the Paris Exposition of 1867; it became a popular kind of restaurant which featured beer and other beverages served by young women in the national costume associated with the beverage, particular German costumes for beer. Now brasseries, like cafés, serve food and drinks throughout the day.",  answer the following question. Note that the answer is present within the text.  Question: What does Paris not have a lot of?
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Answer: Real bistros


Given the following passage  "Eliot and her circle, who included her companion George Henry Lewes (the biographer of Goethe) and the abolitionist and social theorist Harriet Martineau, were much influenced by the positivism of Auguste Comte, whom Martineau had translated. Comte had proposed an atheistic culte founded on human principles – a secular Religion of Humanity (which worshiped the dead, since most humans who have ever lived are dead), complete with holidays and liturgy, modeled on the rituals of what was seen as a discredited and dilapidated Catholicism. Although Comte's English followers, like Eliot and Martineau, for the most part rejected the full gloomy panoply of his system, they liked the idea of a religion of humanity. Comte's austere vision of the universe, his injunction to "vivre pour altrui" ("live for others", from which comes the word "altruism"), and his idealisation of women inform the works of Victorian novelists and poets from George Eliot and Matthew Arnold to Thomas Hardy.",  answer the following question. Note that the answer is present within the text.  Question: What kind of religion did Auguste Comte propose?
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Answer:
a secular Religion of Humanity