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: What was the population of Acre the year that Darmagnac was promoted to general of brigade? Passage:Jean Barthelemy Claude Toussaint Darmagnac (1 November 1766 12 December 1855) became a French division commander during the Napoleonic Wars. In 1791 he joined a volunteer battalion and soon became a captain. He fought with the 32nd Line Infantry Demi-Brigade against the Austrians in Italy. He participated in the French campaign in Egypt and Syria, being promoted to lead the regiment after distinguishing himself at the Battle of the Pyramids. He was badly wounded at Acre and promoted to general of brigade in 1801. Darmagnac fought at Austerlitz in 1805 and led the Paris guard in 18061807. Going to Spain, he was wounded at Medina de Rioseco and became a general of division in 1808. After serving as provincial governor, he assumed command of a combat division at Vitoria, the Pyrenees, the Bidassoa, the Nivelle, the Nive, Orthez, and Toulouse. After holding interior commands under the Bourbon Restoration he retired in 1831. His surname is one of the names inscribed under the Arc de Triomphe, on Column 36.

Ex Output:
b

Ex Input:
Question: Has the Wonder World Tour recording artist ever won a Grammy? Passage:The Wonder World Tour was the second concert tour by American recording artist Miley Cyrus. The tour was held to promote her second studio album Breakout (2008) and first extended play (EP) The Time of Our Lives (2009). It began in September 2009 and concluded in December 29, visiting cities in the United States and United Kingdom; thus, the Wonder World Tour became Cyrus' first world tour. It also became Cyrus' first tour not to incorporate performances as Hannah Montana, although "Let's Get Crazy", an official Hannah-song, was performed. Alternative band Metro Station served as opening act for all tour venues. It was sponsored by Wal-Mart and promoted by AEG Live. All tickets from the Wonder World Tour were sold using paperless ticketing, in order to prevent ticket scalping similar to what had occurred during Cyrus' previous tour. One dollar from each ticket sold was donated to the City of Hope National Medical Center, an organization devoted to the fight against cancer.

Ex Output:
b

Ex Input:
Question: Was the observatory Gill was appointed to older or newer than the private one he initially spent time equipping? Passage:It would seem that Gill's interests lay elsewhere since after a few years he sold the business, and then spent time equipping Lord Lindsay's private observatory at Dun Echt, Aberdeenshire. In 1874, Gill joined the expedition to Mauritius to observe the transit of Venus. Three years later he went to Ascension Island to observe a near approach of Mars and to calculate its distance. While carrying out these laborious calculations, he was notified of his appointment to the Cape Observatory, which, over the following 27 years he was to refurbish completely, turning it into a first-rate institution. Gill was a meticulous observer and had a flair for getting the best out of his instruments. His solar parallax observations with a heliometer and his calculations of distances to the nearer stars, are testimony to his outstanding work. He recruited Robert Innes to the Cape Observatory.

Ex Output:
a