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.

[EX Q]: Question: Which country's air force was garrisoned at Taichung until 1955? 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.

[EX A]: b

[EX Q]: Question: Were the Vuippens and Holy Romans allied? Passage:Gummenen Castle, of which nothing remains, was built by either the Counts of Burgundy or the Dukes of Zahringen as part of the defenses along the Saane, along with Laupen Castle and Grasburg Castle. The castle was built to defend a bridge over the river. By 1391, a village (villa inferiori Dicti castri) had developed around the bridge. In 1259, Peter of Savoy made Gummenen into an imperial fief and imperial castellans took over the castle and village. In 128283 King Rudolph I of Germany forced the Savoy castellan out and granted it to a Habsburg knight, Ulrich II of Maggenberg as a fief. Ulrich's heirs sold the castle, ferry and ford to Fribourg in 1319. Fribourg then granted the lands to the knights of Vuippens, who lost it back to either the Holy Roman Empire or Fribourg in 1325. The castle and village were besieged and destroyed in 1333 during Bern and Fribourg's first war over the Sense and Saane valleys, the Gummenenkrieg. The peace treaty brokered in 1333 by Queen Agnes returned Gummenen to Fribourg.

[EX A]: a

[EX Q]: Question: Did Nakagawa play more games for Kyoto Purple Sanga or Nagoya Grampus Eight? Passage:Nakagawa was born in Osaka Prefecture on August 26, 1969. After graduating from Kokushikan University, he joined Yokohama Flugels in 1992. However he could hardly play in the match behind Atsuhiko Mori. In June 1995, he moved to rival club in Yokohama, Yokohama Marinos. In 1996, he played many matches when regular goalkeeper Yoshikatsu Kawaguchi let the club for 1996 Summer Olympics and injury. In 1998, he moved to Kyoto Purple Sanga. However he could hardly play in the match behind Shigetatsu Matsunaga. In March 2000, he moved to Nagoya Grampus Eight on loan. In 2001, he returned to Purple Sanga was relegated to J2 League. From June, he became a regular goalkeeper and the club returned to J1 League in a season. However he could hardly play in the match in 2002 season and retired end of 2002 season.

[EX A]:
a