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.

[EX Q]: Question: Which of the three reservoirs produced by the damming of the Hackensack River was built first? Passage:The damming of the Hackensack River and a tributary, the Pascack Brook, produced three reservoirs in the county, Woodcliff Lake Reservoir (which impounds one billion gallons of water), Lake Tappan (3.5 billion gallons), and Oradell Reservoir, which allows United Water to provide drinking water to 750,000 residents of northern New Jersey, mostly in Bergen and Hudson counties. The Hackensack River drains the eastern portion of the county through the New Jersey Meadowlands, a wetlands area in the southern portion of the county. The central portion is drained by the Saddle River and the western portion is drained by the Ramapo River. Both of these are tributaries of the Passaic River, which forms a section of the southwestern border of the county.

[EX A]: b

[EX Q]: Question: Who is the current commanding officer of the squadron James led beginning in 2001? Passage:Educated at Wellington College, Berkshire, and the University of Leicester, Illingworth was commissioned into the Army Air Corps in 1989. He became commanding officer of No. 657 Squadron AAC in August 2001 and went on to be a staff officer in the Directorate of Joint Commitments at the Ministry of Defence in 2003, Deputy Commander, Joint Helicopter Command in December 2010 and senior military attaché at the British Defence Staff – US in Washington, D.C. in August 2013. He then became Deputy Commander, 1st (United Kingdom) Division in August 2016 and Commander, British Forces Cyprus in February 2017. llingworth was replaced by Major General Robert Thomson on 25 September 2019. Illingworth was appointed Director Land Warfare Centre in October 2019.

[EX A]: a

[EX Q]: Question: When was the organization which Wayne served as chairman for nine years founded? Passage:Roycroft was born in 1946 as the second of three sons to Bill Roycroft, an Olympic equestrian gold medallist, and his wife, Mavis. He won bronze medals in team eventing at the 1968 Mexico City and 1976 Montreal Olympics, competing alongside his father at both the games. He was selected for the 1980 Moscow Olympics but was affected by the boycott of the games. He was the Australian flag bearer at the 1984 Los Angeles Olympics; his father had done the same thing 16 years previously. He coached the Australian eventing team from 1988 to 2010, taking up the role from his father. his first Olympics as a coach were the 1988 Seoul Games; under his reign the eventing team won gold medals at the 1992 Barcelona, 1996 Atlanta, and 2000 Sydney Olympics and a silver medal at the 2008 Beijing games, and Matthew Ryan won an individual gold medal in 1992 and Andrew Hoy won an individual silver medal in 2000. He was chairman of the International Federation for Equestrian Sports Eventing Committee from 2000 to 2009, and also served as chair of Equestrian New South Wales and Equestrian Australia.

[EX A]:
b