instruction:
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.
question:
Question: Which city was larger the year Cowan was born, Braeholm or Los Angeles? Passage:Charles Edward Cowan (June 19, 1938 in Braeholm, West Virginia – April 29, 1998 in Los Angeles, California) was an American football offensive tackle who played fifteen seasons in the National Football League with the Los Angeles Rams from 1961 to 1975. Cowan was a huge intimidating presence on the left of Tom Mack, a member of the Pro Football Hall of Fame, from 1966 to 1975, forming a potent left side of the offensive line, with help from Ken Iman at center from 1965 to 1975. In that 1961 to 1975 span, the Rams made the playoffs 5 times (1967,1969,1973,1974,1975), reaching the NFC championship game of the 1974-75 NFL playoffs and the 1975-76 NFL playoffs, but losing to the Minnesota Vikings and to the Dallas Cowboys, respectively. In the 1974 divisional round, the Rams defeated the Washington Redskins, as Cowan was successful against the opposing the right defensive end Verlon Biggs. In the 1975 divisional round, Doug France started in his place as the Rams defeated the St. Louis Cardinals. Cowan came back to play against the Cowboys, his final game, as the Rams could not get past them. Cowan was replaced by Doug France in 1976.

answer:
a


question:
Question: What year did the grammar school that Richard Burt attended open? Passage:Burt was born in Perth to Gladys (née MacMurtrie) and Frederick Julius Augustus Burt. His grandfather was Septimus Burt, who was also a member of parliament and served as Attorney-General of Western Australia. Burt attended Guildford Grammar School, and after leaving school went to the North-West, working variously as a crayfisherman, stationhand, pearler, and tin miner. He opened a machinery and hardware store in Cue in 1935, and in 1939 was elected to the Cue Road Board, of which he eventually became chairman. Burt entered parliament at the 1959 state election, narrowly winning the seat of Murchison from Everard O'Brien of the Labor Party. He transferred to the new seat of Murchison-Eyre at the 1968 election, and retired from parliament at the 1971 election. After leaving politics, Burt held directorships with various mining companies. He died in Perth in November 1993, aged 84, and had married Mary Groom in 1937, with whom he had three sons.

answer:
b


question:
Question: Is serpentine blue like Boron? Passage:The earliest recorded blue diamond, the Hope Diamond, was discovered in India, in the Kollur mine in the Guntur district of Andhra Pradesh (which at the time was part of the Golconda kingdom), in the seventeenth century. However, blue diamonds have also been discovered in the Cullinan Mine in South Africa and the Golconda region. A few blue diamonds have been discovered in the Argyle Mine in Western Australia as well, and are offered at their annual Argyle Tender when they are found. It is thought that blue diamonds, unlike most other diamonds, are formed in the lower part of Earth’s mantle, and that the boron creating their blue color originates from serpentinite carried down to the mantle by subducting ocean tectonic plates.

answer:

b