TASK DEFINITION: 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.
PROBLEM: His friends realize they are "tied to" this character after one of them takes a bite out of a turnip when he wants a carrot. The arrival of a character whose name means nothing to them allows a character to recall a family called Gozzo, whose mother had the clap, but after that character leaves with his servant, one of this white-bearded character's workers, the Boy, arrives to tell the two protagonists that he will not arrive this evening, but surely tomorrow. After the reappearance of Lucky and Pozzo in Act Two, the protagonists agree to hang themselves the next day if this character does not arrive. FTP, identify this man of a Samuel Beckett play for whom Vladimir and Estragon are waiting.

SOLUTION: Literature

PROBLEM: 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.

SOLUTION: Science

PROBLEM: Traditionally, this country's first ruler is considered to be Fa Ngum, who established the Lan Xang kingdom. Coups in this country were led by Kong Le and Phoumi Nosavan, who both opposed the governments of Souvanna Phouma. A group in this country that opposed the use of phu nyai or "big man"  politics was Hak Xat. The former RLG member Thongthip Rathanavilai wrote Man in the Region of Death about prison camps in this country. With the aid of the Viet Minh, Prince Souphanuvong led a group that overthrew a US-backed government of this country that was centered in Vientiane. It is not Cambodia, but the Ho Chi Minh trail ran through this country. For 10 points, in 1975 a namesake Communist Pathet party gained control of what country

SOLUTION:
History