You will be given a definition of a task first, then some input of the task.
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.

An alcohol-induced disorder, Marchiafava-Bignami disease, affects this structure. After this structure, the anterior commissure is the largest and most useful structure for performing the appointed task. Agenesis of this structure can result in vision impairment, difficulty in problem solving, and difficulty in recognizing emotions. In order to reduce severe epilepsy, this structure may be cut, leading patients to experience a "split brain. " It consists of over 200 million nerve fibers, and is the largest white matter structure in the brain. For 10 points, identify this brain structure, a bundle of axons that connects and facilitates communication across the left and right hemispheres of the brain.
Output:
Science