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.

Input: Consider Input: 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.


Output: b


Input: Consider Input: Question: When was the singer born who also sang on the Boy is Mine? Passage:In June 1998, Norwood released her second album Never Say Never. Boosted by the success of its number-one lead single "The Boy Is Mine", a duet with singer Monica, it facilitated Norwood in becoming a viable recording artist with media–crossing appeal. In total, the album sold 16 million copies worldwide and spawned seven singles, including Norwood's second number-one song, the Diane Warren-penned "Have You Ever?". Also in 1998, Norwood made her big screen debut in a supporting role in the slasher sequel, I Still Know What You Did Last Summer, which garnered her both a Blockbuster Entertainment Award and an MTV Movie Award nomination for Best Breakthrough Female Performance. The following year, she co-starred with Diana Ross in the telefilm drama Double Platinum about an intense, strained relationship between a mother and daughter. Both Norwood and Ross served as executive producers of the movie which features original songs from Never Say Never and Ross's Every Day Is a New Day (1999).


Output: b


Input: Consider Input: Question: When was city where Rai was born founded? Passage:Babbal Rai (born 3 March 1985) is an Indian Punjabi singer, songwriter and film actor. His real birth name is Simranjeet Singh Rai. Born in Samrala, a city in the Ludhiana district of Punjab, India, He belongs to a Rai Sikh Family and he graduated from DAV College, has always enjoyed a passion towards cricket.He was trained by Yograj Singh (father of Yuvraj Singh) and aspired to be a cricketer, later he moved to Melbourne where he uploaded a video called "Australian Challa" which made him a YouTube sensation. Later the adopted version of the song was released in the Bollywood movie Crook. He rose to fame from the song Nikki Jehi Jind. He also starred in the film Mr & Mrs 420, along with Jassi Gill and Binnu Dhillon



Output: b