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.

Example Input: Question: How many years had Shearman and Sterling been operating before Brinkhorst joined. Passage:Brinkhorst attended the Christian Gymnasium Sorghvliet in The Hague from June 1945 until June 1954 and applied at the Leiden University in June 1954 majoring in Law and obtaining an Bachelor of Laws degree in June 1956 before graduating with an Master of Laws degree in July 1959. Brinkhorst applied at the Columbia University in New York City in August 1959 for a postgraduate education in Political science and obtained an Bachelor of Social Science degree before graduating with an Master of Social Science in September 1961. Brinkhorst worked as a paralegal at Shearman & Sterling in New York City from September 1961 until December 1962. Brinkhorst worked as a researcher at the Leiden University from December 1962 until January 1967 and as an associate professor of International law at the Leiden University from April 1965 until January 1967 and as a professor of International law, International relations and European law at the University of Groningen from January 1967 until 11 May 1973. Brinkhorst served on the Provincial-Council of Groningen from July 1970 until August 1971. After the election of 1972 Brinkhorst was appointed as State Secretary for Foreign Affairs in the Cabinet Den Uyl, taking office on 19 December 1977. The Cabinet Den Uyl fell on 22 March 1977 after four years of tensions in the coalition and continued to serve in a demissionary capacity. Brinkhorst was elected as a Member of the House of Representatives after the election of 1977, taking office on 8 June 1977 but he was still serving in the cabinet and because of dualism customs in the constitutional convention of Dutch politics he couldn't serve a dual mandate he subsequently resigned as State Secretary on 8 September 1977. After the election of 1981 the Leader of the Democrats 66 and Parliamentary leader of the Democrats 66 in the House of Representatives Jan Terlouw was appointed as Deputy Prime Minister and Minister of Economic Affairs in the Cabinet Van Agt II and Brinkhorst was selected as his successor as Parliamentary leader in the House of Representatives on 11 September 1981. After the Leader of the Democrats 66 Terlouw announced that he was stepping down as Leader following a big loss in the election of 1982 the Democrats 66 leadership appointed Brinkhorst as his successor on 8 September 1982. In October 1982 Brinkhorst was nominated as Ambassador of the European Union to Japan, he resigned as Leader and as Parliamentary leader and as a Member of the House of Representatives on 11 November 1982 and was installed as Ambassador, taking office on 1 December 1982. In December 1986 Brinkhorst was nominated as Director-General of the Scientific Committee on Consumer Safety of the European Commission, he resigned as Ambassador the same day he was installed as Director-General, serving from 1 January 1987 until his resignation 19 July 1994.

Example Output: a

Example Input: Question: Which North American city hall building that used Superblocks was completed first? Passage:Superblocks are also used when functional units such as rail yards or shipyards, inherited from the 19th and early 20th centuries, are too big to fit in an average city block. A contemporary function which reflects ancient practices that also requires larger than typical blocks is the sports stadium or arena. Just as the Colosseum in ancient Rome, sports complexes require superblocks. The Providence Park stadium in Portland, for example, takes up four normal city blocks as does the equally large Greensboro Coliseum in North Carolina. Other contemporary institutions, establishments or functions that use superblocks are: city halls like Government Center, Boston and Toronto City Hall; regional general hospitals or specialized medical centres; convention and exhibition centers, such as Exhibition Place in Toronto and the Boston Convention and Exhibition Center; and downtown enclosed Shopping Malls such as Eaton Centre in Toronto, echoing the large gallerias of the 19th century. Cultural complexes, such as the Lincoln Center in New York City, often occupy a superblock achieved through the consolidation of regular city blocks. A recent superblock user is the merchandise distribution centre, which can range in area from one to ten city blocks.

Example Output: a

Example Input: Question: What golf course did Romero win his first senior title? Passage:Romero first played on the European Tour in 1985 and was a full member from 1988 to 2005. He has 8 tournament victories and seven top twenty placings on the Order of Merit. In 2002 he became the third oldest winner on the European Tour (behind Des Smyth and Neil Coles) when he won the Scottish Open just three days before his 48th birthday. Romero came fifth on the Order of Merit for 2002. Romero turned fifty in 2004, and just a few days later he finished in a tie for second at his first senior tournament, the Senior British Open. In 2005 he won his first senior title at the European Seniors Tour's Travis Perkins Senior Masters, and he won the Wentworth Senior Masters in both 2005 and 2006. In 2006, he lost in a playoff against Loren Roberts for the Senior British Open Championship and won a playoff against Lonnie Nielsen for the JELD-WEN Tradition for his first Champions Tour win and major. He was the Champions Tour's 2006 Rookie of the Year. He won the U.S. Senior Open, his second major, at The Broadmoor in Colorado Springs in 2008.

Example Output:
a