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: What was the founding date of the team Foster played against in the 2001 FA Trophy final? Passage:After a short period in Scotland, Foster returned to English football with Doncaster Rovers where his opportunities were limited, though he had a spell with Ilkeston Town on loan. In 2001, he signed for Forest Green Rovers in the Conference National. He made well over 100 appearances for the club and had a spell as captain. He also appeared for Forest Green in the 2001 FA Trophy final at Villa Park but was on the losing side in a 1-0 defeat to Canvey Island. He was highly regarded amongst the supporters at The Lawn and many were sad to see him leave when he departed for Halifax Town in 2004. He made just under 100 league appearances for Halifax at The Shay before a move in 2007 to Oxford United.

answer:
b

question:
Question: How many engines does the Boeing bomber that land at Taichung International Airport have? Passage:Taichung International Airport was constructed during the era of Japanese rule and was named . The United States Air Force (USAF) had been garrisoning the base with two fighter squadrons until the Sino-American Mutual Defense Treaty came into force on March 3, 1955. The airport then expanded in 1954 according to the Sino-American Mutual Defense Treaty, and later renamed Ching Chuan Kang Air Base (CCK) in memory of General Qiu Qingquan. In 1966 the American Air Force established a joint forces air-base at CCK. It was the largest air force base in the Far East at the time, allowing Boeing B-52 Stratofortress bombers to land. During the Vietnam War, CCK became a depot for the USAF. The US Military used CCK and Shuinan Airport to run many of its long-distance Vietnam, Cambodia and Laotian bombing, scouting and cargo transport runs during the Vietnam War era. This base was shut down and most American facilities were removed after U.S. established diplomatic relations with the China in 1979.

answer:
b

question:
Question: How many players did Maryland Mania have when Armas signed with them? Passage:In 1999, Armas signed for the Maryland Mania in the USL A-League. He began the 2000 season with the Raleigh Capital Express, playing four games. He also spent time with D.C. United. In June 2000, the Columbus Crew signed Armas as a Discovery Player. He played four regular season games with the Crew. He also played on 2000 Open Cup game for the Crew, coming on for John DeBrito in the 66th minute. He also went on loan to MLS Pro 40 for one game. The Crew waived him at the end of the season. In November 2000, the Tampa Bay Mutiny claimed Armas off waivers, but released him before the season. In 2001, John Dugan, who had coached the Express in 2000, became the new head coach of the Atlanta Silverbacks. He promptly signed Armas. On June 12, 2001, half way through the season, the Silverbacks traded Armas to the Minnesota Thunder in a three-way trade which sent Andrew Restrepo from the Rochester Rhinos to Atlanta and Stoian Mladenov to the Rhinos from Minnesota. In 2002, Armas played three games with the Cincinnati Riverhawks. In 2003, he played seventeen games for the Carolina Dynamo, scoring five goals and adding 16 assists as the Dynamo took the league title. Armas was selected as a first team All Star. He then moved to the Pittsburgh Riverhounds for the 2004 USL Second Division season and was back with Carolina for the 2005 season.

answer:
a