In this task, you're given a question, a context passage, and four options which are terms from the passage. After reading a passage, you will get a brief understanding of the terms. Your job is to determine by searching and reading further information of which term you can answer the question. Indicate your choice as 'a', 'b', 'c', or 'd'. If you think more than one option is plausible, choose the more probable option to help you answer the question.

[Q]: Question: How many years apart were Manuchar and his older brother? Passage:Manuchar I Jaqeli () (1452 – died after 1518) was a Prince and Atabeg of Samtskhe-Saatabago from 1515 to 1518. He was a member of the Jaqeli family and youngest son of Qvarqvare II Jaqeli. After his older brother Mzetchabuk's abdication Manuchar started an uprising against his nephew Qvarqvare, the son of Kaikhosro I. Manuchar's revolt finished successfully and he ascended to the Meskhetian throne. During his brief reign Manuchar sent many gifts to the Ottoman sultan Selim I and claimed himself as an admier of Ottomans. In 1518 the new revolt started. Prince Qvarqvare with the help of Safavid troops attacked Samtskhe. Manuchar was overthrown and Qvarqvare became the new ruler of Meskheti. After this Manuchar asked his suzerain Sultan Selim for help. Sultan gave him the huge army. He had tried to restore himself as Atabeg, but was defeated by Qvarqvare's forces at the battle near Erzurum. Manuchar Jaqeli escaped to the Ottoman empire and lived there until his death. Nothing is known about his later life and descendants.
 Links: a. Selim I b. Mzetchabuk Jaqeli c. Mzetchabuk Jaqeli d. Qvarqvare III Jaqeli
[A]: b


[Q]: Question: What was the original name of the Służba Bezpieczeństwa? Passage:On 30 June 1943 he was arrested by the Gestapo in Warsaw and sent to Berlin. Rowecki was arrested due to his betrayal by Ludwik Kalkstein "Hanka", Eugeniusz Swierczewski "Genes" and Blanka Kaczorowska "Sroka" who were Gestapo agents. All of them were members of the Home Army but in fact collaborated with the Gestapo. Swierczewski, Kalkstein and Kaczorowska were sentenced to death for high treason by the Secret War Tribunal of the Polish Secret State. The sentence on Eugeniusz Swierczewski was carried out by troops commanded by Stefan Rys ("Jozef"). They hanged Swierczewski in the basement of the house at 74 Krochmalna Street in Warsaw. Kalkstein received protection from the Gestapo and was not harmed. He fought in a Waffen SS unit during the Warsaw Uprising of 1944 under the name of Konrad Stark. After the war, he worked for the Polish Radio station in Szczecin and was later recruited as an agent by the Urząd Bezpieczeństwa. In 1982, he emigrated to France; he died in 1994. Blanka Kaczorowska also survived the war. Her death sentence was not carried out because she was pregnant. After the war, she also worked as a secret agent for the Urząd Bezpieczeństwa and later for the renamed Służba Bezpieczeństwa. She emigrated to France in 1971. She died in 2002
 Links: a. Home Army b. Ludwik Kalkstein c. Służba Bezpieczeństwa d. Warsaw Uprising
[A]: c


[Q]: Question: In which state is Chen teaching as the Malcolm K. Brachman Professor of Economics? Passage:Chen is currently the Malcolm K. Brachman Professor of Economics at Yale University. She previously taught at the London School of Economics, New York University, and the University of Chicago. After graduation from the University of California, San Diego, she became an assistant professor in economics at University of Chicago, a lecturer and reader at London School of Economics from 1999 to 2002. Thereafter, she joined New York University as an associate professor and she was promoted to professor of economics in 2005. In 2007, she became a professor of economics at Yale University and she is currently a Malcolm K. Brachman Professor of Economics at Yale University. Chen is an International Fellow of the Centre for Microdata Methods and Practice, an elected fellow of the Econometric Society, and an elected fellow of the Journal of Econometrics.
 Links: a. University of Chicago b. Yale University c. London School of Economics d. Journal of Econometrics
[A]:
b