Definition: In this task, you're given a question, along with a context passage which has extra information available on certain terms mentioned in it, i.e., the proper nouns in the passage. Your job is to determine whether information from more than one term is needed to answer the question. Indicate your choice as `a` for Yes or `b` for No.
Input: Question: How old was the law firm that Bates joined in 1998? Passage:Bates was a law clerk for Judge Roszel Cathcart Thomsen of the United States District Court for the District of Maryland from 1976 to 1977 and was an associate at Steptoe & Johnson from 1977 to 1980. He served as an Assistant United States Attorney for the District of Columbia from 1980 to 1987, and was Chief of the Civil Division of the United States Attorney's Office from 1987 to 1997. Bates was on detail as Deputy Independent Counsel for the Whitewater investigation from 1995 to mid-1997. In 1998, he joined the Washington, D.C. law firm of Miller & Chevalier, where he was Chair of the Government Contracts/Litigation Department and a member of the Executive Committee. From September 1995 until leaving in March 1997, Bates worked as Deputy Independent Counsel for Kenneth Starr and the Independent Counsel's office during the investigation into President Bill Clinton.


b