In this task, you're given a question, along with a context passage which has extra information available on certain terms mentioned in it, i.e., the proper nouns in the passage. Your job is to determine whether information from more than one term is needed to answer the question. Indicate your choice as 'a' for Yes or 'b' for No.
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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: Who is the owner of the last CFL team that Walker played for? Passage:Chevon Walker (born May 9, 1987 in Montego Bay, Jamaica) is a former professional Canadian football running back and kick returner for the Winnipeg Blue Bombers of the Canadian Football League. He played NCAA football for the Sioux Falls Cougars. He played two years of his career as a professional football player in the Canadian Football League for the Hamilton Tiger-Cats. In 2014, the Ottawa Redblacks selected him in the expansion draft. He started the 2015 season with the Ottawa Redblacks before he was released on August 28, 2015. On September 1, 2015, it was announced that Walker had signed with the Winnipeg Blue Bombers. Chevon Walker has over 1000 rushing yards and seven touchdowns in three years of professional play.

Answer: b

Question: Question: When was William Scarlett's son born? Passage:In 1863 he married Helen Magruder, daughter of Commodore George Allan Magruder, of the United States Navy. They had one son, James. They had two daughters, Ella Campbell Scarlett who studied medicine at London School of Medicine for Women and the Royal Free Hospital and became the first female doctor in the state of Bloemfontein, South Africa, and Evelina, who married Major Henry Haverfield, was a suffragette and an aid worker during World War I. One of the two main family estates at this time (the other being the house that is today Inverlochy Castle Hotel) was Abinger Hall, at the foot of the North Downs in Abinger, Surrey. The third baron sold it in 1867 to a Mr Gwynne, who soon thereafter sold it to become the family seat of the statistician recently created first Lord Farrer, who rebuilt the house on that land.

Answer:
b