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 Q]: A functor named for this mathematician can be interpreted as the first group homology group with integral coefficients. A cellular automaton discovered by Bak, Tang, and Wiesenfeld that displays self-organized criticality is a "sandpile model" named for him. This mathematician names a class of theorems showing that various summation methods are regular, i.e., that they give the correct result for convergent series. Grothendieck introduced categories named for this mathematician in his Tohoku paper; those categories are a general setting for homological algebra and allow morphisms and objects to be added. This non-Italian mathematician gave the first complete proof of the insolubility of the quintic by radicals. Groups that satisfy the commutative law and many other mathematical concepts are named for, FTP, what Norwegian mathematician who died at the age of 26, thus making everyone else look like a chump
[EX A]: Science

[EX Q]: Irregularly shaped compartments of this organelle which change in response to cellular metabolic activity are called paraspeckles, and promyelocytic leukemia bodies are often found in this organelle. The biogenesis of snRNPs ["snurps"] is thought to be regulated by this organelle's (*) Cajal bodies, and it can be visualized through Hoechst and DAPI staining. Movement in and out of these organelles is regulated by RAN proteins at its namesake pores, and this organelle is  not found in erythrocytes. This organelle is surrounded by a namesake "envelope" which is continuous with rough ER, and it is the site of transcription. For ten points, name this organelle only found in eukaryotes which contains the nucleolus as well as the genetic material of the cell.
[EX A]: Science

[EX Q]: Historical periods of this present-day country include the Gampola, Rolonnawura, and Yapahuva. Major figures in its history, which is chronicled in the Mahavamsa,  include Senarath, who conquered the rebel state of Sitawaka, and Rajasinha II, who signed a treaty with the Dutch. The Dutch allied with the kingdom of Kandy here, and large portions of this island have been controlled by the Liberation Tigers of Tamil Eelam. FTP, name this island country formerly known as Ceylon and found off the southeast coast of India.
[EX A]:
History