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.

Input: Consider Input: Question: Which of the two California cities where someone was killed has a larger population? Passage:Heavy snow fell in the Sierra Nevada and Cascade mountains from three storms. The heaviest snow occurred in the mountains south of Lake Tahoe, with Kirkwood Mountain Resort receiving of snow. Sierra-at-Tahoe and Heavenly Ski Resort both received up to of snow. Snow depths of at least were widely reported. The snow was combined with wind gusts exceeding , creating blizzard and white-out conditions in the Sierra Nevada. The highest reported wind gust was on Ward Mountain. Widespread reports of 36inches of rain were received, and at the height of the storm approximately 2million people were without power in California. About 3,000people in Orange County, California were forced to evacuate their homes because of mudslide concerns in areas that had recently been burned in wildfires. These storms continued through the Intermountain West and into the Rocky Mountains. Heavy snow of 24feet occurred in the San Juan Mountains of Colorado, with a maximum of reported at the Silverton Mountain Resort. Six snowmobilers who were stranded by the storm in southern Colorado found shelter in a cabin. However, 3people were still missing; one hiker in the San Bernardino Mountains in southern California, and two skiers in Colorado near Wolf Creek Pass. At least three people were confirmed killed in the storm. A woman died when she drove her car across a flooded road in Chino, California, one person was killed by a falling branch in Sacramento, and person was killed by a falling tree in Central Point, Oregon. Two bodies discovered in Sacramento near a homeless camp were also being investigated as possibly weather-related. In Fernley, Nevada an irrigation ditch burst and flooded 290 homes with up to of water; the cold weather then caused the water to freeze. In southeastern Utah, ninepeople were killed and 20 injured after a charter bus returning from a ski trip in Telluride, Colorado ran off the road north of Mexican Hat. However, it was unknown if slick roads were the primary cause of the crash.

Output: b

Input: Consider Input: Question: What city the place in that Morrey was employed as a mathematician during World War II? Passage:Morrey graduated from Ohio State University with a B.A. in 1927 and a M.A. in 1928, and then studied at Harvard University under the supervision of George Birkhoff, obtaining a Ph.D. in 1931 with a thesis entitled Invariant functions of Conservative Surface Transformations. After being awarded his Ph.D, he was a National Research Council Fellow at Princeton, at the Rice Institute and finally at the University of Chicago. He became a professor of mathematics at UC Berkeley in 1933, hired by Griffith Conrad Evans, and was a faculty member until his retirement in 1973. In Berkeley, he was early given several administrative duties, for example being the Chairman of the Department of Mathematics during the period 19491954, and being the Acting Chairman, the Vice Chairman and the Director of the Institute of Pure and Applied Mathematics at various times. During the years 19371938 and 19541955 he was a member of the Institute for Advanced Studies: he was also Visiting Assistant Professor at Northwestern University, Visiting Professor at the University of Chicago and Miller Research Professor at Berkeley. During World War II he was employed as a mathematician at the U.S. Ballistic Research Laboratory in Maryland.

Output: b

Input: Consider Input: Question: Was Kontinen's mixed doubles partner at Wimbledon older than his male doubles partner? Passage:His good results continued in 2016 as he won the title at the Brisbane International in January with John Peers. On AprilMay they won the BMW Open together. At the 2016 Wimbledon Championships he reached quarterfinals of the men's doubles tournament together with Peers and the final of the mixed doubles with Heather Watson, which they won in straight sets. On July Kontinen and Peers won the German Open Tennis Championships. On August Kontinen won the Winstom-Salem Open playing with Guillermo Garcia-Lopez. It was Kontinen's 10th doubles title in his career. He took the victory of St. Petersburg Open with Dominic Inglot. Kontinen and Peers had a successful end for the year as they won their first Masters title at Paris Masters and the season ending ATP World Tour Finals title. Kontinen reached the top 10 in rankings as a first Finnish tennis player ever.
Output: b