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 has the U.S. supported the World Trade Organization? Passage:However, Berman concurs with many on the right on a number of issues, particularly foreign policy and trade. Berman voted in support of the invasion of Iraq in both 1991 and 2003, as well as for the FISA Amendments Act of 2008, positions that have hurt his standing among many liberals in his district. While he generally supports free trade - for instance, voting in favor of the North American Free Trade Agreement (NAFTA) and various trade agreements with specific countries -, he voted against the more recent Central America Free Trade Agreement (CAFTA). He opposes withdrawing U.S. support for the World Trade Organization. In that same year, he also voted to phase out many farm subsidy programs put into place by the administration of President Franklin Delano Roosevelt as part of the "New Deal."

Example Output: a

Example Input: Question: How many soldiers did Britain send to World War I the year Roebuck arrived on the Western Front? Passage:As a boy, Roebuck worked as a trammer and after being sentenced to one month's imprisonment for stealing a watch in 1904, he enlisted in the York and Lancaster Regiment. Over the next seven years, he was stationed in India and Ireland and was promoted to lance corporal, but was demoted back to private in 1910 for "misconduct". He married in 1908 and had two children. Roebuck was discharged into the reserves in 1912 and likely returned to work as a miner prior to becoming a professional footballer in 1913. After Britain's entry into the First World War in August 1914, he was called up by the York and Lancaster Regiment and arrived on the Western Front in September 1914. On 18 October 1914, Roebuck recorded as "presumed dead" after an attack near Beaucamps-Ligny during the Race to the Sea. His death was confirmed by two comrades in January 1915. Roebuck is commemorated on the Ploegsteert Memorial to the Missing.

Example Output: a

Example Input: Question: What is the population of the city where Margaret Bacon spent her early childhood? Passage:Mrs. Bacon spent her early childhood in New York City and moved to Florida as an adolescent. She went to Antioch College, where she met her husband, Allen Bacon. During World War II, she accompanied her husband to work at Springfield Hospital in Sykesville, Maryland as his assignment for conscientious objector status. She also worked at the American Friends Service Committee for many years and was the inspiration for the rehabilitation of the Fair Hill Burial Ground, a historic Quaker cemetery in North Philadelphia and the final resting place of abolitionists Lucretia Mott and Robert Purvis. Mrs. Bacon authored biographies of both Mott and Purvis. A longtime trustee and Vice President of the Pennsylvania Abolition Society, she wrote a feature article titled "The Pennsylvania Abolition Society's Mission for Black Education" for the Historical Society of Pennsylvania's November 2005 newsletter. She was a founding board member of Women's Way, the country’s oldest and largest funding federation for women’s organizations. Bacon died at her home at Crosslands in Kennett Square, Pennsylvania on February 24, 2011.

Example Output:
b