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.

Ex Input:
He adapted Joseph Blackburn's portrait d'apparat method for his works depicting a fat-looking woman with a blue book in Mrs. James Russell, Katherine Graves, an old elegant lady with a hint of a mustache in Mrs. Thomas Boylston, and a red-coated Samuel Adams. Influenced by John Smibert, his later historical works include The Death of the Earl of Chatham and The Death of Major Peirson. His The Boy with a Squirrel got him noticed, and he also painted a famous portrait of Paul Revere at his silver shop. FTP, name this American artist who depicted a dangerous incident occurring in Havana harbor in his Watson and the Shark.

Ex Output:
Fine Arts

Ex Input:
When it interacts with ryanodine receptors, this element upregulates its own release, and this compound forms the cell plates of coccolithophores. Stimulation of Gq ("g-sub-q") opens a channel that allows for this ion's movement, and proteins that bind this ion have an EF hand motif. Cellular concentrations of this ion are regulated by IP3. Parafollicular cells of the (*) thyroid produce a compound that reduces the concentration of this ion in blood, and its intestinal absorption requires vitamin D. This ion interacts with Troponin to stimulate muscle contraction, and the lumens of sarcoplasmic reticula have high concentrations of this ion. For 10 points, name this divalent cation that is stored in bones.

Ex Output:
Science

Ex Input:
Benjamin Butler represented some of the men convicted after this event, all of whom were later pardoned by John Peter Altgeld. Immediately preceded by a fight at the McCormick Harvesting Machine Co. at which four were killed by police, this event is commemorated by bonfires at some May Day celebrations. For ten points, name this tragedy that helped lead to the downfall of the Knights of Labor; a May 4th, 1886 riot touched off when someone detonated a bomb at a labor rally in Chicago.

Ex Output:
History