In this task, you're given a question, along with a context passage which has extra information available on certain terms mentioned in it, i.e., the proper nouns in the passage. Your job is to determine whether information from more than one term is needed to answer the question. Indicate your choice as 'a' for Yes or 'b' for No.

Ex Input:
Question: How old was Adrian "King" Cole the year that headquarters RAAF Station Richmond was formed as a separate entity? Passage:A military flying school was set up at the site of the present-day RAAF base on 28August 1916, when the area was known as Ham Common. RAAF Station Richmond was established on 30June 1925 as the fledgling service's first air base outside Victoria. Its initial flying unit was No.3 (Army Cooperation) Squadron, operating Airco DH.9 light bombers and Royal Aircraft Factory S.E.5 fighters, and for the next decade the commanding officer of No.3 Squadron was also in charge of the base. Among these were Squadron Leaders Frank Lukis (192530), Harry Cobby (193031), and Bill Bostock (193133). Headquarters RAAF Station Richmond was formed as a separate entity on 20April 1936, under the command of Group Captain Adrian "King" Cole. Other units, including No.22 Squadron flying Hawker Demons, and No.2 Aircraft Depot, had been established in the preceding months. No.4 (General Reconnaissance) Squadron was formed in May 1937, followed by No.6 (General Reconnaissance) Squadron in March 1939. Two Fleet Cooperation units were also established, No.5 Squadron in April 1936 and No.9 Squadron in January 1939. No.23 (General Purpose) Squadron formed in February 1939. As well as an Air Force base, in its pre-war days Richmond was used as a supplementary airport for Sydney; various aviation pioneers employed it in the 1930s, including Charles Kingsford Smith and Jean Batten.

Ex Output:
b

Ex Input:
Question: Which of the cities Demieville studied in after secondary school are located in Continental Europe? Passage:Following his completion of secondary school, Demieville spent time studying in Munich, London, and Edinburgh, where he was able to attend lectures by George Saintsbury at the University of Edinburgh. He then attended the University of Paris, where he wrote an essay on the musical suite of the 17th and 18th centuries and was awarded a licentiate degree in 1914. Demieville then spent the year 1915 studying at King's College London where he was introduced to Chinese, which quickly became his focus. After returning to France, Demieville studied at the Ecole des Langues Orientales Vivantes (School of Living Oriental Languages), after which he moved to the College de France, where he further studied Chinese under the tutelage of Edouard Chavannes and began learning Sanskrit from Sylvain Levi. He earned his Diplome from the Ecole des Langues Orientales Vivantes in 1919.

Ex Output:
a

Ex Input:
Question: Which state did Mrs. Bacon meet her husband? 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.

Ex Output:
b