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: How many Grammy awards did the singer who re-recorded the song written by Sam Dees win? Passage:In 1983, The Manhattans released the album Forever by Your Side, by Columbia Records, which brought the two singles the group that year. The first was the song "Crazy", the great success of this album, peaked at number 4 on the R&B chart. The second single was the title track "Forever by Your Side", which had moderate success in the United States, peaked at number 30 on the R&B chart, but has become a great success and a romantic classic in Brazil two years later, when it was included as part of the soundtrack of a soap opera in the country in 1985. The success led to a Portuguese version the following year, called "Pra Sempre Vou Te Amar", which also was successful in Brazil, and has been recorded by several Brazilian artists. Another highlight of this album Forever by Your Side was the song "Just The Lonely Talking Again", written by the American singer and songwriter Sam Dees, which was originally recorded by The Manhattans this 1983 album and was later re-recorded by Whitney Houston on her second studio album "Whitney" in 1987.
 Links: a. Soap opera b. Whitney (album) c. Brazil d. Whitney Houston

Ex Output:
d


Ex Input:
Question: Who is the current leader of the clan that ruled the Choshu domain? Passage:The area around present-day Atsugi city has been inhabited for thousands of years. Archaeologists have found ceramic shards from the Jōmon period at numerous locations in the area. By the Kamakura period, this area part of the Mōri shōen, part of the holdings of Ōe no Hiromoto. His descendants, the Mōri clan later ruled Chōshū domain. During the Kamakura period, the area was also known for its foundry industry for the production of bells for Buddhist temples. The area came under the control of the Ashikaga clan in the early Muromachi period and was later part of the territories of the Later Hōjō clan from Odawara. With the start of the Edo period, the area was tenryō territory controlled directly by the Tokugawa shogunate, but administered through various hatamoto, as well as exclaves under the control of Odawara Domain, Sakura Domain, Mutsuura Domain, Ogino-Yamanaka Domain and Karasuyama Domain. After the Meiji Restoration, the area was consolidated into Aikō District of Kanagawa Prefecture by 1876. Atsugi town was created on April 1, 1889 through merger of several small hamlets. Atsugi was elevated to city status on February 1, 1955 through merger with neighboring Mutsuai Village, Koaiyu Village, Tamagawa Village and Minamimori Village. The city expanded on July 8, 1958 through merger with neighboring Echi Village, and with Aikawa Village from Naka District. On September 30, 1956, Ogino Village joined with Atsugi. In April 2000, Atsugi exceeded 200,000 in population and was proclaimed a special city with increased autonomy from the central government.
 Links: a. Meiji Restoration b. Mōri clan c. Shōen d. Karasuyama Domain

Ex Output:
b


Ex Input:
Question: Which of Messner's teachers at the University of Munich was older? Passage:After Meissner’s abitur at the Humanistisches Gymnasium, in 1910, he began the study of physics and mathematics at University of Tübingen. After three terms, he went to the University of Munich as a student of the experimentalist Wilhelm Röntgen and the theoretician Arnold Sommerfeld. After one year at Munich, he returned to Tübingen to be able to study spectroscopy with Friedrich Paschen. While still a student in 1914, Meissner was able to prove the existence of oxygen lines in the solar spectrum. He was awarded his doctorate in 1915, on a thesis with the title Interferometrische Wellenlängenbestimmung im infraroten Spektralbereich. In 1916 he became an assistant to Edgar Meyer at the University of Zurich, under whom he completed his Habilitation, in 1918, with the Habilitationsschrift title Untersuchungen des Neonspektrums. The following year, he married the Polish physicist Doctor Janka Kohn.
 Links: a. Habilitation b. Ludwig Maximilian University of Munich c. University of Tübingen d. Wilhelm Röntgen

Ex Output:

d