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.

Input: Consider Input: Question: In what year was George Canning Prime Minister? Passage:Garvagh was the son of Paul Canning and the grandson of Stratford Canning of Garvagh in County Londonderry. Prime Minister George Canning and the diplomat Stratford Canning, 1st Viscount Stratford de Redcliffe, were his first cousins. He was elected to the House of Commons for Sligo Borough in 1806, a seat he held until 1812, and then represented Petersfield from 1812 to 1820. On 1 February 1810 he was elected a Fellow of the Royal Society and on 28 October 1818 he was raised to the Peerage of Ireland as Baron Garvagh, of Garvagh in the County of Londonderry. Lord Garvagh later served as Lord Lieutenant of County Londonderry between 1831 and 1840. He died while staying at a hotel in Chalons-sur-Marne (now renamed Chalons-en-Champagne) in August 1840, aged 61, and was succeeded in the barony by his son Charles Henry Spencer George Canning.

Output: b

Input: Consider Input: Question: How many other operas did the composers of Patience write? Passage:In September 2005, Ball made his New York City Opera debut as Reginald Bunthorne in Gilbert and Sullivan's Patience. He spent the first quarter of 2006 on complete vocal rest, following the illness that caused him to leave The Woman in White on Broadway. By the middle of July, Ball had taken part in the Royal Court Theatre's celebratory performance of The Rocky Horror Show. He took a leading role in Kismet in June and July 2007 for the ENO, and appeared on Channel 4's Richard & Judy on 22 June 2007 to promote this production. He then appeared as the solo artist in a controversial 'Musical Theatre' Prom on 27 August 2007 for the BBC at London's Royal Albert Hall. Ball performed a wide range of musical theatre numbers, including several by Andrew Lloyd Webber. The show was broadcast live on BBC Four, as well as on BBC Radio 3.

Output: b

Input: Consider Input: Question: Which city that Vreeland was assigned a series of tours as naval attache has the largest population? Passage:Vreeland was further promoted to master and then lieutenant after successive tours of duty on board the screw steamer , the gunboat and the sloop-of-war . He was then assigned to the Nautical Almanac Office of the US Naval Observatory in November 1881 after a brief period ashore awaiting orders. In March 1884, Lt. Vreeland began a three-year tour at sea aboard the sloop-of-war , after which he was assigned for two years at the Bureau of Navigation. He was then assigned briefly (from July to September 1889) with the Office of Naval Intelligence and reported to the Coast Survey late in October, a posting he took until the spring of 1893, when Vreeland was assigned a series of tours as naval attache first in Rome, Vienna and finally in Berlin.
Output: a