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 Input:
Question: What was John Holt's career? Passage:Youth activism as a social phenomenon in the United States truly became defined in the mid- to late-nineteenth century when young people began forming labor strikes in response to their working conditions, wages, and hours. Mary Harris "Mother" Jones organized the first youth activism in the U.S., marching 100,000 child miners from the coal mines of Pennsylvania to the U.S. Capitol in Washington, D.C. in 1908. Youth newspaper carriers soon followed. These actions isolated youths' interests in the popular media of the times, and separated young people from their contemporary adult labor counterparts. This separation continued through the 1930s, when the American Youth Congress presented a "Bill of Youth Rights" to the US Congress. Their actions were indicative of a growing student movement present throughout the US from the 1920s through the early 1940s. The 1950s saw the Student Nonviolent Coordinating Committee bring young people into larger movements for civil rights. All the way back in 1959, Rev. Dr. Martin Luther King, Jr. engaged youth activists in protesting against Bull Connor's racist law enforcement practices in Birmingham, Alabama. The youth activism of Tom Hayden, Keith Hefner and other 1960s youth laid a powerful precedent for modern youth activism. John Holt, Myles Horton and Paulo Freire were important in this period. Youthful life and expression defined this era.

Ex Output:
b

Ex Input:
Question: How many teams were in Macedonian First League? Passage:He was born in Ohrid. After playing in the youth teams of FK Partizan, he begin his senior career playing with another Serbian club FK Dinamo Vranje. In 2007, he returned to Macedonia and signed with Macedonian First League club FK Pobeda where he stayed two seasons. In summer 2009 he moved to FK Olimpik Sarajevo playing in the Premier League of Bosnia and Herzegovina, but next winter he moved to Slovenia, to NK Krsko. Since January 2011 he will play with FK Metalurg Skopje in the Macedonian First League. In summer 2011 he moved to Albania, where he represented two clubs during the 201112 Albanian Superliga season, KS Pogradeci and Shkumbini Peqin. In summer 2012 he moved to Greece and joined Football League side Anagennisi Epanomi F.C.. He play now in 3 Swiss league for Old Boys.

Ex Output:
a

Ex Input:
Question: Does Belfast has a military base? Passage:James returned to the 1st Battalion, Glosters as a company commander in 1933 and from November 1934 to December 1936 he was a General Staff Officer (GSO) with Western Command. Promoted to major on 25 December 1936, he succeeded John Nichols, his fellow student at Camberley, as a brigade major with the 13th Infantry Brigade, The brigade was then commanded by Brigadier John Priestman until succeeded in September 1938 by Brigadier Reade Godwin-Austen. The brigade was serving in Palestine during the Arab revolt, before returning to England where it became part of the 5th Infantry Division, then serving under Northern Command. James held this post until January 1939. Promoted to brevet lieutenant colonel on 1 July 1938, on 10 January 1939 he transferred from the Gloucestershire Regiment to the Royal Sussex Regiment and receiving promotion in that regiment to lieutenant colonel, and, on the same date, became Commanding Officer (CO) of the 2nd Battalion, Royal Sussex. The battalion was then serving in Belfast, Northern Ireland, on internal security duties.

Ex Output:
a