Q: In this task you will be given an answer to a question. You need to generate a question. The answer given should be a correct answer for the generated question.
A coach (also motor coach) is a type of bus used for conveying passengers. In contrast to transit buses that typically used within a single metropolitan region, coaches are used for longer-distance bus service. Often used for intercity -- or even international -- bus service, other coaches are also used for private charter for various purposes.
A:
whats the difference between a coach and a bus