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]: One description of the court of this leader is a History written in Greek by Priscus of Panium. A policy of appeasement was unsuccessfully used by Theodosius II to try and stop this ruler from invading his empire. This man fought a battle against forces under Theodoric I and Aetius on the Catalaunian Plains. This loser of the Battle of Chalons became sole ruler of his people after he arranged the murder of his brother Bleda. For 10 points, name this ruler who gained the title ""Scourge of God"" for his invasions into the Roman Empire while leader of the Huns.
[EX A]: History

[EX Q]: Seas of calcite predominate during times of low concentration of this element. The NIMS probe discovered that Ganymede has a sulfate of this element, which is also used to treat eclampsia. Its molten form is used to make metallic titanium in the Kroll process. The active site of rubisco contains a carbamylated lysine attached to an ion of this element. Its cationic form is used to stabilize the product of PCR, and it is also prevalent in certain reagents in a Schlenck equilibrium. It is found in Grignard reagents as well as coordinated to the porphyrin ring of chlorophyll. For 10 points, name this element with atomic number 12 and symbol Mg.
[EX A]: Science

[EX Q]: Pablo Picasso made a series of 58 variations on this painting, and it was only given its modern title in 1834, nearly two hundred years after it was painted. The scene takes place in a room decorated by large canvases, and a dog lies comfortably in the right foreground. In a doorway in the background, we see Jose Nieto, while in the foreground are two dwarves and the two figures mentioned in the title, Isabel Velasco and Agustina Sarmiento. FTP, a mirror showing the king and queen, and the artist himself standing near an easel are the two most famous features of what Velazquez masterpiece
[EX A]:
Fine Arts