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 countries did Lounge go to in the Southeast Asia cruise? Passage:Lounge entered on active duty with the United States Navy following graduation from the U.S. Naval Academy and spent the next nine years in a variety of assignments. He completed Naval Flight Officer training at Pensacola, Florida, went on to advanced training as a radar intercept officer in the F-4J Phantom II, and subsequently reported to Fighter Squadron 142 (VF-142) based at Naval Air Station Miramar, California. While with VF-142, he completed a nine-month Southeast Asia cruise aboard (participating in 99 combat missions in the Vietnam War) and a seven-month Mediterranean cruise aboard . In 1974, he returned to the U.S. Naval Academy as an instructor in the Physics Department. Lounge transferred to the Navy Space Project Office in Washington, D.C., in 1976, for a two-year tour as a staff project office. He resigned his regular Navy commission in 1978 and joined the Naval Air Reserve. While in the Naval Air Reserve, he served in Reserve Fighter Squadron 201. Later, he became a Lieutenant Colonel in the Texas Air National Guard, serving with the 147th Fighter Interceptor Group.

Output:
a