Read the following conversation and answer the question. W: I just called the travel agency, it's all set. On June 1st, we are heading for the mountains and will be camping there for a whole week. M: Have you checked the academic calendar? My classes aren't over until the 8th. Question: What does the man imply? - They might have to change their plan. - He has got everything set for their trip. - He has a heavier workload than the woman.
A:
They might have to change their plan.