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: How long did it take to construct the Ekaterinburg (K-84)? Passage:Construction of the nuclear submarine Ekaterinburg (K-84) began at the Northern Machinebuilding Enterprise (Sevmash) in Severodvinsk on 17 February 1982, before being commissioned into the Soviet Navy on 30 December 1985. She was the second of the seven-boat Project 667BDRM Delfin class, which was developed at the Rubin Design Bureau in September 1975. A ballistic missile submarine, she was designed primarily to carry up to 16 R-29RM Shtil (NATO designation: SS-N-23 Skiff) SLBM for use against military and industrial facilities in the case of a nuclear war. Each Shtil missile carries ten 100 kt multiple independently targeted reentry vehicles, and has a circular error probable of . She is also equipped with RPK-7 Veter (NATO designation: SS-N-16 Stallion) anti-ship missiles for use against large surface vessels, and self-defense torpedoes.


Output: b


Input: Consider Input: Question: Do more than 10 college teams compete in the conference that Northern Illinois is a member of? Passage:The 2014 Northern Illinois Huskies football team represented Northern Illinois University in the 2014 NCAA Division I FBS football season. The Huskies competed in the West Division of the Mid-American Conference. They were led by second-year head coach Rod Carey. They played their home games at Huskie Stadium. The Huskies' regular season loss to Central Michigan snapped a 26-game home winning streak dating back to the 2009 season. They finished the season 11–3, 7–1 in MAC play to win a share of the MAC West Division Title with Toledo. Due to their head-to-head win over Toledo, the Huskies represented the West Division in the MAC Championship Game where they defeated Bowling Green to be crowned MAC Champions. They were invited to the Boca Raton Bowl where they lost to Conference USA Champion Marshall.


Output: b


Input: Consider Input: Question: How many years had Kingston Hospital been around for the year Shaw was born? Passage:Shaw was born on 13 July 1930 to Lieutenant Colonel W. A. Shaw, MC and Mrs E. Shaw (née Malley). Between 1943 and 1948, he was educated at Epsom College, a public school in Epsom, Surrey. He was a member of the school's Rugby XV and Hockey XI. He was also won the Smith-Pearse Botany Prize. He went up to Gonville and Caius College, Cambridge in 1950; earning a Bachelor of Arts (BA), later promoted to Master of Arts (MA). Having studied at Westminster Hospital Medical School, he qualified MRCS, LRCP in 1954. He graduated Bachelor of Medicine, Bachelor of Surgery (MB BCh) from the University of Cambridge in 1955. He undertook his two pre-registration house officer placements at Westminster Hospital as a casualty officer and at Kingston Hospital as a house surgeon and obstetrics house officer.



Output: b