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: Which teams besides the Michigan Wolverines did head coach Brian Ellerbe coach before the 1997-1998 season? Passage:The 1997–98 Michigan Wolverines men's basketball team represented the University of Michigan in intercollegiate college basketball during the 1997–98 season. The team played its home games in the Crisler Arena in Ann Arbor, Michigan, and was a member of the Big Ten Conference. Under the direction of head coach Brian Ellerbe, the team finished fourth in the Big Ten Conference. The team emerged victorious in the inaugural 1998 Big Ten Conference Men's Basketball Tournament. The team earned an invitation to the 1998 NCAA Men's Division I Basketball Tournament as a number three seed where it was eliminated in the second round. The team was ranked for twelve of the eighteen weeks of Associated Press Top Twenty-Five Poll, starting the season unranked, peaking at number twelve where it ended the season, and it also ended the season ranked twelve in the final USA Today/CNN Poll. The team had a 4–3 December 13, 1997, against #1 Duke 81–73 at home, December 26, 1997, against #19 Syracuse 93–61 at the Puerto Rico Holiday Classic, Eugene Guerra Sports Complex in San Juan, Puerto Rico, February 1 against #16 Iowa 80–66 on the road, March 8 against #9 76–67 at the 1998 Big Ten Conference Men's Basketball Tournament at the United Center. The victory over Duke was one of only two victories over the number one ranked team in the country in the history of the school.


b