In this task, you're given a question, along with a context passage. The passage will not have a direct answer to the question, but can include some information and a clue for the answer. Assuming you can only obtain information about one entity in the passage, your job is to determine whether information from the passage can be used to answer the question. Indicate your choice as `a` for Yes or `b` for No.

Ex Input:
Question: What city the place in that Morrey was employed as a mathematician during World War II? Passage:Morrey graduated from Ohio State University with a B.A. in 1927 and a M.A. in 1928, and then studied at Harvard University under the supervision of George Birkhoff, obtaining a Ph.D. in 1931 with a thesis entitled Invariant functions of Conservative Surface Transformations. After being awarded his Ph.D, he was a National Research Council Fellow at Princeton, at the Rice Institute and finally at the University of Chicago. He became a professor of mathematics at UC Berkeley in 1933, hired by Griffith Conrad Evans, and was a faculty member until his retirement in 1973. In Berkeley, he was early given several administrative duties, for example being the Chairman of the Department of Mathematics during the period 1949–1954, and being the Acting Chairman, the Vice Chairman and the Director of the Institute of Pure and Applied Mathematics at various times. During the years 1937–1938 and 1954–1955 he was a member of the Institute for Advanced Studies: he was also Visiting Assistant Professor at Northwestern University, Visiting Professor at the University of Chicago and Miller Research Professor at Berkeley. During World War II he was employed as a mathematician at the U.S. Ballistic Research Laboratory in Maryland.


Ex Output:
b


Ex Input:
Question: Who directed the movies that Harikrishna was in during 1974? Passage:Harikrishna made his acting debut in 1964 as a child artist in Sri Krishnavataram, in which he played Krishna. It was directed by Kamalakara Kameshwara Rao. He then starred in Thalla? Pellama? (1970), which was followed by Tatamma Kala (1974), Ram Raheem (1974) and Daana Veera Shura Karna (1977). After long years of sabbatical, and political stint he then started as a Character actor in works such as Sri Ramulayya (1998), followed by a full length role alongside Nagarjuna in Seetharama Raju (1999), Lahiri Lahiri Lahirilo (2002) and Seetayya (2003). In 2002, he received Nandi Award for Best Character Actor for his work in Lahiri Lahiri Lahirilo. Harikrishna died in a crash on 29 August 2018 at age 61. He served as the member of Andhra Pradesh Legislative Assembly during 1996-1999. He became a Cabinet Minister for Road Transport in 1996. In 2008, he was a candidate of the Telugu Desam Party and was elected to Rajya Sabha.


Ex Output:
b


Ex Input:
Question: How old was Rudi Gernreich when the monokini was introduced? Passage:By making an analogy with words like bilingual and bilateral containing the Latin prefix "bi-" (meaning "two" in Latin), the word bikini was first back-derived as consisting of two parts, [bi + kini] by Rudi Gernreich, who introduced the monokini in 1964. Later swimsuit designs like the tankini and trikini further cemented this derivation. Over time the "–kini family" (as dubbed by author William Safire), including the "–ini sisters" (as dubbed by designer Anne Cole), expanded into a variety of swimwear including the monokini (also known as a numokini or unikini), seekini, tankini, camikini, hikini (also hipkini), minikini, face-kini, burkini, and microkini. The Language Report, compiled by lexicographer Susie Dent and published by the Oxford University Press (OUP) in 2003, considers lexicographic inventions like bandeaukini and camkini, two variants of the tankini, important to observe. Although "bikini" was originally a registered trademark of Réard, it has since become genericized.


Ex Output:

b


