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: What state did Klotz graduate college from? Passage:General Klotz entered the Air Force in 1973 as a distinguished graduate of the United States Air Force Academy. He has commanded a Minuteman missile squadron, a missile launch task force, an operations group, a missile wing and a numbered air force. The general's staff assignments include tours on the Air Staff, in the Office of the Secretary of Defense and at the State Department as a White House Fellow. He has also served on the faculty of the Air Force Academy, at NATO headquarters in Brussels, at the American Embassy in Moscow, Russia, and as the Director for Nuclear Policy and Arms Control with the National Security Council at the White House. He has also served as the vice commander, Air Force Space Command, Peterson Air Force Base, Colorado. Prior to assuming command of Air Force Global Strike Command, General Klotz was Assistant Vice Chief of Staff and Director, Air Force Staff, Headquarters U.S. Air Force, Washington, D.C.

Output:
b