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: Was Nathan Sivin alive when Han Zhenhua claimed that Nanhai referred to the Scarborough Shoal? Passage:The People's Republic of China and the Republic of China (Taiwan) claim that Chinese people discovered the shoal centuries ago and that there is a long history of Chinese fishing activity in the area. The shoal lies within the nine-dotted line drawn by China on maps marking its claim to islands and relevant waters consistent with United Nations Convention on the Law of the Sea (UNCLOS) within the South China Sea. An article published in May 2012 in the PLA Daily" states that Chinese astronomer Guo Shoujing went to the island in 1279, under the Yuan dynasty, as part of an empire-wide survey called "Measurement of the Four Seas" (), however, no such 13th century map has been made public by China nor such evidence on the existence of the map is known. In 1979 historical geographer Han Zhenhua () was among the first scholars to claim that the point called "Nanhai" (literally, "South Sea") in that astronomical survey referred to Scarborough Shoal. In 1980 during a conflict with Vietnam for sovereignty over the Paracel Islands (Xisha Islands), however, the Chinese government issued an official document claiming that "Nanhai" in the 1279 survey was located in the Paracels. Historical geographer Niu Zhongxun defended this view in several articles. In 1990, a historian called Zeng Zhaoxuan () argued instead that the Nanhai measuring point was located in Central Vietnam. Historian of astronomy Chen Meidong () and historian of Chinese science Nathan Sivin have since agreed with Zeng's position in their respective books about Guo Shoujing.

Example Output: b

Example Input: Question: Was Brown's father alive when Trey signed the Bears? Passage:Theotis "Trey" Brown, III (born March 1, 1985) is a former American football cornerback who is currently the Director of Player Personnel for the St. Louis BattleHawks. Prior to being hired by the XFL, Brown served as the Executive Vice President of Football Operations for the Birmingham Iron of the Alliance of American Football. Prior to the AAF, Brown spent 9 years in the National Football League as a scout/executive. From 2010 to 2012, he was a scout with the New England Patriots. Then, from 2013 to 2018, he was with the Philadelphia Eagles in a variety of capacities including the Director of College Scouting from 2016-2018. As a player, he was signed by the Chicago Bears as an undrafted free agent in 2009. He played college football at UCLA. He also played for the New York Sentinels. He is the son of former NFL running back Theotis Brown.

Example Output: b

Example Input: Question: Of the different sects of the Latter Day Saint Movements, which has been in existence the least amount of time? Passage:The children of Joseph Smith Jr., the founder of the Latter Day Saint movement, and his wife Emma Smith, are historically significant because of their roles in establishing and leading the Latter Day Saint Movement, which includes The Church of Jesus Christ of Latter-day Saints (LDS Church), the Reorganized Church of Jesus Christ of Latter Day Saints (RLDS Church, now called Community of Christ), The Church of Jesus Christ (Bickertonite), the Church of Christ (Temple Lot) and several other sects. Several Latter Day Saint sects, including the RLDS, believed that leadership of the church would flow through lineal succession of Smith's descendants. In 1860, Joseph Smith III became its prophet and president of the RLDS Church, although they no longer adhere to this practice. The larger LDS Church did not follow that practice, and it was led after Joseph Smith's death by Brigham Young.

Example Output:
a