Definition: 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: Question: Who was the head coach of the team that drafted Armour, at the time he was drafted in 1999? Passage:He was drafted by the Oakland Raiders in 1999 and was later signed by the Cincinnati Bengals in December 1999. Armour started for the Bengals in 2001 and 2002 and was released by them in August 2003. In June 2004 Armour was signed as a free agent by the British Columbia Lions and played for them in 2004 and 2005. After the 2005 season Armour was signed by the Hamilton Tiger-Cats and played for them in the 2006 and 2007 seasons. In February 2008 he was signed by the Calgary Stampeders. He helped Calgary win the 2008 Grey Cup. He was later released on June 22, 2009 for overaggressive plays during training camp. On August 3, 2009, the BC Lions re-signed Armour. On February 25, 2010, Armour announced his retirement after six seasons in the CFL, having spent three with the BC Lions.


b