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.

Ex Input:
Question: Who other than Woldenga has been awarded the Knights cross of the Iron Cross? Passage:Woldenga's career started as a captain in the merchant marine. He started his flight training in 1928 and worked as chief pilot for the FVK Warnemünde. He transferred to the newly emerging Luftwaffe, taking command as Gruppenkommandeur of the I./Jagdgeschwader 131 (JG 131) — later renamed to I./Jagdgeschwader 1 (JG 1) — on 1 April 1937. With this unit he participated in the invasion of Poland in 1939. He surrender command of the Gruppe on 1 February 1940 and was transferred to the Reichsluftfahrtministerium. He briefly led Jagdgeschwader 27 (JG 27) on the Channel Front from 11 October to 22 October 1940 before he was made Geschwaderkommodore of Jagdgeschwader 77 (JG 77). Under this command, JG 77 participated in the Balkans Campaign and invasion of Crete. JG 77 claimed 50 aerial victories. Woldenga received the Knight's Cross of the Iron Cross. He commanded of JG 27 on 21 June 1941 during the invasion of the Soviet Union and claimed 4 aerial victories. He relocated the Geschwaderstab to North Africa in December 1941. He was appointed Fliegerführer Balkan on 10 June 1942. His last service position of the war was commander of the Luftkriegschule 10 in Fürstenwalde near Berlin. He is credited with three aerial victories of which two were claimed on the Eastern Front.
 Links: a. Knight's Cross of the Iron Cross b. Fürstenwalde c. Fürstenwalde d. Jagdgeschwader 77

Ex Output:
a


Ex Input:
Question: In which U.S. state is Perlmutter's childhood neighborhood located? Passage:Perlmutter spent his childhood in the Mount Airy neighborhood of Philadelphia. He went to school in nearby Germantown; first Greene Street Friends School for the elementary grades, followed by Germantown Friends School for grades 7 through 12. He graduated with an AB in physics from Harvard magna cum laude in 1981 and received his PhD in physics from the University of California, Berkeley, in 1986. Perlmutter's PhD thesis titled "An Astrometric Search for a Stellar Companion to the Sun" described the development and use of an automated telescope to search for Nemesis candidates under Richard A. Muller. At the same time, he was using this telescope to search for Nemesis and supernovae, which would lead him to his award-winning work in cosmology. Perlmutter attributes the idea for an automated supernova search to Luis Alvarez, a 1968 Nobel laureate, who shared his idea with Perlmutter's research adviser.
 Links: a. Richard A. Muller b. Mount Airy, Philadelphia c. Richard A. Muller d. List of Nobel laureates in Physics

Ex Output:
b


Ex Input:
Question: What year did Susanne Marsee play the role of Estella Drummle? Passage:She proceeded to sing a great gallery of roles at the City Opera, including Siébel in Faust, Angelina in La Cenerentola, Rosina in Il barbiere di Siviglia, Sesto in Giulio Cesare, Cherubino in Le nozze di Figaro (opposite Michael Devlin), Nicklausse in Les contes d'Hoffmann (with Sills and Norman Treigle), Dorabella in Così fan tutte (with Patricia Brooks), Octavian in Der Rosenkavalier (with Johanna Meier), Maddalena in Rigoletto (opposite José Carreras), Giovanna Seymour in Anna Bolena, the Composer in Ariadne auf Naxos (with Carol Neblett), Maffio Orsini in Lucrezia Borgia (with Sills), the title role of La belle Hélène, Zaida in Il turco in Italia, Estella Drummle in the world premiere of Miss Havisham's Fire (with Rita Shane), Doña Manuela in La loca, Mariana in the world premiere of The Student from Salamanca, Sesto in La clemenza di Tito, Néris in the Italian version of Médée (with Marisa Galvany), the name part in Carmen (in Frank Corsaro's production), the title role of La Grande-Duchesse de Gérolstein, Prince Charmant in Cendrillon, Mallika in Lakmé, Bellino in Casanova's Homecoming, Adalgisa in Norma, Dulcinée in Don Quichotte, Charlotte in Werther (with Jon Garrison), Valencienne in Die lustige Witwe, Marcellina in Le nozze di Figaro (with Herbert Perry as Figaro), Suzuki in Madama Butterfly, La chatte in L'enfant et les sortilèges, Berta in Il barbiere di Siviglia, Rose in the world premiere of Marilyn, and Marta in Mefistofele, as well as musical comedy.
 Links: a. Miss Havisham's Fire b. Marisa Galvany c. Marisa Galvany d. Frank Corsaro

Ex Output:

a


