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.

Example Input: Question: Who was the manager of Manchester United when Duncan Edwards died as a result of the Munich air disaster? Passage:The most famous former resident of the Priory Estate is Duncan Edwards, who was born two miles away at Holly Hall but moved to 31 Elm Road as a small child and went on to play 18 times for England as well as winning two Football League championships with Manchester United before he died in 1958 at the age of 21 from injuries sustained in the Munich air disaster. As a child, he had attended Priory Primary School and then Wolverhampton Street School. The school is most famous for being the former school (1941 to 1948) of the late Duncan Edwards, the former Manchester United and England footballer. He died aged 21 as a result of the Munich air disaster in 1958. After his death, a stained glass window was dedicated to Edwards at St Francis parish church at the junction of Laurel Road and Poplar Crescent. The church was founded during 1931 and originally based at Priory Hall before the church building on the newly developed housing estate was opened on 10 May 1932.

Example Output: b

Example Input: Question: What year did Eisner's "Mad Dog" ad for Zima originally air? Passage:Eisner had used some of Digital Domain's processors to render images for his film, and the company suggested he meet with some commercial production houses. Thus began his career as a director of commercials, and after only a year-and-a-half, Eisner had directed 14 high-profile spots. His first commercial was Budweiser's Powersurge, which aired during the 1997 Super Bowl. He also took the helm for Rold Gold pretzels' "Comrades" starring Jason Alexander, which featured Pretzel Boy on a rescue mission to the Mir space station. Eisner's two anti-smoking spots for the California Department of Health Services, "Gala Event" and "Funeral", were selected as Best Spots in back-to-back issues of Adweek. In addition, Eisner's "Mad Dog" for Coors's Zima aired during the Seinfeld finale and was chosen by USA Today "Ad Meter" as the #1 spot. He has also done commercials for Sony, Sega and Coca-Cola.

Example Output: b

Example Input: Question: Of the police dramas Mary Anne guest starred in, which one aired for the fewest seasons? Passage:She made many television appearances throughout the 1970s, appearing several times in guest roles in the Crawford Productions police dramas Homicide, Division 4 and Matlock Police. She also worked in the UK, starring in the comedy feature film shot there The Adventures of Barry McKenzie (1972), and making appearances in the TV anthology series Thriller in 1973, Moonbase 3 in 1973, and Father Brown in 1974. Returning to Australia she played a leading regular role in soap opera Number 96 from 1975 until 1977, and played a guest role in situation comedy series Doctor Down Under in 1979. Roles in the 1980s include an appearance in feature film Run Rebecca, Run! (1981), four episodes of A Country Practice in 1982 and 1984, and a role in TV movie Barracuda (1988). She is married to actor Henri Szeps.

Example Output:
b