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.

Example Input: Question: What college did the center attend who Payton was traded for prior to the 2004-05 season? Passage:Prior to the 2004–05 season, the Lakers traded Payton and Rick Fox to the Boston Celtics for center Chris Mihm, small forward Jumaine Jones and point guard Chucky Atkins. While Payton expressed displeasure with the trade, he ultimately did report to Boston and began the 2004–05 season as the Celtics' starting point guard. On February 24, 2005 Payton was traded to the Atlanta Hawks in a deal that brought former Celtic Antoine Walker back to Boston. The Hawks then waived Payton immediately following the trade, and he returned a week later to Boston as a free agent. Payton started all 77 games he played for Boston and averaged 11.3 points per game and 6.1 assists as the Celtics won the Atlantic Division before losing in the first round to the Indiana Pacers.

Example Output: b

Example Input: Question: Which of the cities Demiéville studied in after secondary school are located in Continental Europe? Passage:Following his completion of secondary school, Demiéville 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. Demiéville 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, Demiéville studied at the École des Langues Orientales Vivantes (School of Living Oriental Languages), after which he moved to the Collège de France, where he further studied Chinese under the tutelage of Édouard Chavannes and began learning Sanskrit from Sylvain Lévi. He earned his Diplômé from the École des Langues Orientales Vivantes in 1919.

Example Output: a

Example Input: Question: Who was the coach of the NCAA Niagara Purple Eagles women's ice hockey team when Ashley Riggs began playing for them? Passage:Amongst their numerous team alumni, Ashley Riggs graduated to the NCAA Niagara Purple Eagles women's ice hockey team in 2004, before jumping to the National Women's Hockey League and later the Canadian Women's Hockey League. As a member of the Under-22 Canada national women's ice hockey team Riggs competed in four Air Canada Cups, winning Gold in three of them. Natalie Spooner graduated to the NCAA Ohio State Buckeyes women's ice hockey team in 2008. She has competed in multiple IIHF events as a member of the Women's National Team and plays in the CWHL as a member of the Toronto Furies. In 2008, Jenn Wakefield graduated to the NCAA New Hampshire Wildcats program. After two seasons she switched to the Boston University Terriers women's ice hockey team. Wakefield is a National Team member and has played in the CWHL with the Vaughan Flames and now with the Toronto Furies. Tara Watchorn also graduated to NCAA in 2008 with the Boston University Terriers women's ice hockey team. She made her debut with the Canadian National Team in 2010 and plays for the Calgary Inferno of the CWHL.

Example Output:
b