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.

Input: Consider Input: This element's only oxidation state is -1, and it is impossible to free from its compounds by chemical means. It is prepared commercially be the same method which Henri Moisson used to isolate it in 1886, and is also found in the mineral cryolite. Its only isotope is the stabe 19 version, and in its gaseous form takes on a pale yellow color. The most electronegative and reactive of the elements, FTP, what is this lightest of the halogens with atomic number 9 and symbol F

Output: Science

Input: Consider Input: This man gives his name, along with that of Francis Sears, to a process in ultrasonic imaging for which the acoustic wavefronts act as optical gratings to diffract the light on either side of the central spot. The distance over which charge carriers in plasmas exclude electric fields via his namesake shielding is also known as his namesake length. With an assistant later famous in his own right for his rule for determining whether ring molecules would show aromatic properties, he developed a mathematical expression to explain characteristics of electrolytic solutions, the famous equation named for him and Erich Hckel. FTP name this man who also gives his name to the SI unit defined as about 3.3 x 10-30 Coulomb meters, which measures the molecular dipole moment.

Output: Science

Input: Consider Input: This philosopher's sympathetic review of Gottlob Schulze's polemic Aenesidemus introduced his concept of the "fact/act," or Tathandlung, which he defined in a later work as "the I posits itself absolutely. " In his essay "On the Basis of Our Belief in a Divine Governance of the World," he argued that God has no existence apart from the morality of the world, which caused him to be accused of atheism. He responded to those accusations in The Vocation of Man, and gave a series of Addresses to the German Nation in 1808 before returning to the University of Jena. For 10 points, name this German idealist philosopher, a follower of Kant who developed a transcendental philosophical system called Wissenschaftslehre in Attempt at a Critique of All Revelation.
Output: Social Science