In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

Q: This philosopher argued that the only way to exercise freedom is to act morally, because otherwise one's actions are bound by one's conditional desires. This thinker defined the title concept of one of his essays as "man's emergence from his self-imposed immaturity." He postulated that our senses perceive only phenomena and not noumena, so we can never truly know the "thing-in-itself." This author of "What is Enlightenment" argued that we should act only according to maxims that could be made universal law, which he called the "categorical imperative." For 10 points, name this German author of Groundwork of the Metaphysics of Morals and Critique of Pure Reason.

A: Social Science
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Q: A hypothetical method of decay for these particles involves breaking into a positron and a neutral pion and would have a half-life on the order of 10 to the 35 years. In astronomy, these particles are employed in a namesake chain located in the cores of stars in order to synthesis lighter elements. Particles of this type are typically composed of two up quarks and a single down quark and these particles make up about 90% of all cosmic rays. Discovered by Ernest Rutherford, for 10 points, identify this subatomic particles that contributes the positive charge of an atoms nucleus.

A: Science
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Q: This country's most popular puppet plays in the eighteenth century portrayed couples who performed love suicides. This country's classic forms of poetry include tanka and renga, as well as a shorter form that always includes a season word. The Heian court is the setting of this country's classic novel The Tale of Genji. For 10 points, name this Asian country whose poets created the haiku.

A:
Fine Arts
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