Instructions: 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: What years was Jim Criner the Boise State head coach? Passage:Minter graduated from high school in 1977 and accepted a football scholarship to Boise State University (BSU), and became a two-time All-American under head coach Jim Criner. Minter made his mark early as a freshman with a school record 210 yards against Cal Poly. As a sophomore, he set a Big Sky record by rushing with 1,526 yards in 1978. As a senior, he was a member of BSU's "Four Horseman" backfield (along with QB Joe Aliotti, FB David Hughes, and HB Terry Zahner), which led the 1980 Broncos to the Division I-AA championship. BSU defeated the Grambling Tigers, 149, in the first round (semifinals) at Bronco Stadium, then edged favored Eastern Kentucky, 3129, with a late touchdown in the 1980 NCAA Division I-AA Football Championship Game played in Sacramento on December 20.

Output:
b