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 Q]: Question: Which rolling stock did the Turboliner replace? Passage:Following its takeover of most passenger rail service in the United States on May 1, 1971, Amtrak retained the Abraham Lincoln as a daily Chicago-St. Louis service, operating in tandem with the GM&O's old Limited. In November of that year Amtrak extended both the Abraham Lincoln and the Limited (now known as the Prairie State) through Chicago to Milwaukee, Wisconsin. In October 1973, Amtrak replaced the rolling stock with the new French-built Turboliner; as part of this change the trains were re-branded as Turboliners and truncated to Chicago. In February 1976 Amtrak returned conventional rolling stock to the route and revived the Abraham Lincoln name along with the Ann Rutledge. Amtrak added the State House to the Chicago-St. Louis corridor in 1977. Also in 1977, Amtrak extended the Abraham Lincoln to Kansas City and renamed it the Ann Rutledge–a name that had briefly disappeared from the timetable in 1976-77 when Amtrak extended the Inter-American to Chicago. Today service between Chicago and St. Louis is handled by the "Lincoln Service".

[EX A]: b

[EX Q]: Question: What is the population of the Middle East country that Jeffrey once served as Deputy Chief of Mission at the American Embassy in 1996? Passage:In 1996 Jeffrey was selected as Deputy Chief of Mission to the American Embassy Kuwait, and served during Operation Desert Fox and the evacuation of Embassy Kuwait. In 1999 he returned to Turkey, as Deputy Chief of Mission. After serving as Ambassador to Albania from 2002 to 2004, he was selected by Secretary of State Colin Powell and Ambassador John Negroponte to bridge the transition from the Coalition Provisional Authority to the new U.S. Embassy in Baghdad, and subsequently served as Deputy Chief of Mission from 2004 to 2005. He served as Chargé d'Affaires in Baghdad before returning to Washington to serve as Secretary of State Condoleezza Rice’s Special Advisor for Iraq from 2006 to 2007. Jeffrey then served as Principal Deputy Assistant Secretary for Near Eastern Affairs, covering broader Middle East policy matters, including co-chairing the Interagency Iran Policy Group.

[EX A]: b

[EX Q]: Question: How many states did Tates teach college law in? Passage:Tatel received his Bachelor of Arts degree from the University of Michigan and his Juris Doctor from the University of Chicago Law School. Following law school, he served as an instructor at the University of Michigan Law School and then joined Sidley Austin in Chicago. Since then, he served as founding director of the Chicago Lawyers' Committee for Civil Rights Under Law, Director of the National Lawyers' Committee for Civil Rights Under Law, and Director of the Office for Civil Rights of the United States Department of Health, Education, and Welfare during the Carter Administration. Returning to private practice in 1979, Tatel joined Hogan & Hartson, where he founded and headed the firm's education practice until his appointment to the D.C. Circuit. While on sabbatical from Hogan & Hartson, Tatel spent a year as a lecturer at Stanford Law School. He also previously served as Acting General Counsel for the Legal Services Corporation.

[EX A]:
b