In this task, you're given a question, along with a context passage. The passage will not have a direct answer to the question, but can include some information and a clue for the answer. Assuming you can only obtain information about one entity in the passage, your job is to determine whether information from the passage can be used to answer the question. Indicate your choice as 'a' for Yes or 'b' for No.

Ex Input:
Question: How old was the person who chaired the AUKcon convention held in February 1994 in London? Passage:AUKcon was a one-day anime convention held in London, England, on 19 February 1994. The venue was the Conway Hall (Red Lion Square), and the registration charge was 10. AUKCon was chaired by Helen McCarthy. During the convention, Lawrence Guinness of Manga Video announced that the company had acquired distribution rights for Ranma 1/2 and planned to start releasing it in 1994. Also announced included plans for the series Bio Booster Armor Guyver. One of the guests that attended was Toren Smith, writer of the American Dirty Pair comic and founder of Studio Proteus. The convention was the first UK anime event to provide a fan room with free space for fanzines and fanclubs. It also ran a gaming programme and an art and model show, as well as anime screenings and talks.

Ex Output:
b

Ex Input:
Question: How many miles from Chattanooga, Tennessee does it take to travel to Lookout Mountain by railway? Passage:The Lookout Mountain Incline Railway is a inclined plane funicular railway leading to the top of Lookout Mountain from the historic St. Elmo neighborhood of Chattanooga, Tennessee. Passengers are transported from St. Elmo's Station at the base, to Point Park at the mountain summit, which overlooks the city and the Tennessee River. It is just a short drive to three of Chattanooga's main tourist attractions, Ruby Falls, Cavern Castle, and Rock City. The railway is approximately in length (single-track except for a short two-track passing loop at the midway point, allowing operation of two cars at one time). It has a maximum grade of 72.7%, making it one of the world's steepest passenger railways. It obtained Historic Mechanical Engineering Landmark status in 1991. The cable system for the cars was made by the Otis Elevator Company.

Ex Output:
a

Ex Input:
Question: When was the organization that Dreyfus partly founded and that he was secrettary of established? Passage:Becoming editor of La Lanterne in 1882, he founded two years later Le Matin. In December, 1882, he was chosen to represent the Gros-Caillou quarter in the municipal council of Paris, and was reelected in 1884. Dreyfus in this position showed a remarkable aptitude for finance. In October, 1885, he was elected deputy by the department of the Seine, and was reelected, for the Twelfth District, in 1889, in opposition to a Boulangist candidate. A radical, with wide schemes of reform, Dreyfus sat with the Extreme Left. He was appointed a member of the army commission, and also on that of espionage. He fought many duels, one with the Marquis de Mores, the anti-Semite. His publications include: Une Dictature (Le Mans, 1874); Giboyer a Saint-Pelagie (Paris, 1875); L'Evolution des Mondes et des Societes (Paris, 1888); Les Traites de Commerce (Tours, 1879); Le Tunnel du Simplon et les Interets Francais (Paris, 1879); L'Angleterre, son Gouvernement, ses Institutions (Paris, 1881); La Guerre Necessaire, Reponse d'un Francais a M. de Bismarck (Paris, 1890). Dreyfus was also secretary and part founder of La Grande Encyclopedie. He was a member of the Legion d'honneur.

Ex Output:
b