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 long did the Napoleonic Wars last? Passage:Promoted to commander on 7 September 1795, West became commanding officer of the sloop HMS Diligence on the West Indies Station in December 1795. He was promoted to captain on 15 November 1796 and went on to be commanding officer of the sixth-rate HMS Tourterelle also on the West Indies Station. He became commanding officer of the third-rate HMS Utrecht at Chatham in March 1801 and commanding officer of the third-rate HMS Excellent in January 1807. In HMS Excellent he served off the coast of Catalonia and landed with a naval brigade with orders to help defend Rosas which was under attack from some 5,000 French troops in an action in November 1808 during the Napoleonic Wars. He took 250 of his ship's men and rescued a group migueletes (Catalan mercenaries) who were are risk of losing their lives, but not before having his own horse shot out from under him.


Ex Output:
b


Ex Input:
Question: Which of the universities was founded first, the one Howells first obtained a degree from, or the one he studied at thereafter? Passage:Howells was born on 11 May 1871 in Cwm, Monmouthshire in south Wales. He was educated at schools in Cwm and Pengam before winning a scholarship to Regent's Park Baptist College, London. After graduating with a degree awarded by the University of London, he studied at the University of Oxford (at Mansfield College and Jesus College), at Christ's College, Cambridge and at the University of Tübingen, obtaining degrees from a total of four universities. He travelled to India in 1895 for the Baptist Missionary Society to deal with literary and educational work. In 1907, he became Principal of Serampore College, a post he held until 1932. During this time, he also served as a Fellow and examiner of the University of Calcutta (1913 to 1929) and was a member of the Bengal Legislative Council in 1918. After returning to Britain in 1932, he was lecturer in Hebrew at Rawdon Baptist College until 1935. He received honorary degrees from the University of St Andrews, Serampore College and the University of Wales. During his retirement, he moved to Castleton, south Wales and he died on 7 November 1935.


Ex Output:
a


Ex Input:
Question: How many stores does the retail chain that featured a Hello Kitty advertising campaign have worldwide? Passage: is the best-known of Sanrio's fictional characters, created in 1974. Hello Kitty is drawn simply with a trademark red bow. Registered in 1975, Hello Kitty is now a globally known trademark. Hello Kitty has been marketed in the United States from the beginning and has held the position of U.S. children's ambassador for UNICEF since 1983. The brand rose to greater prominence during the late 1990s when several celebrities such as Mariah Carey adopted Hello Kitty as a fashion statement. New products featuring the character can be found in virtually any American department store and Hello Kitty was once featured in an advertising campaign of the retail chain Target. The character got her first Massively Multiplayer Online Game produced by Sanrio Digital and Typhoon Games entitled Hello Kitty Online which was released worldwide, including the United States, Singapore, Indonesia and the Philippines.


Ex Output:

b