LESLIE: Your friend Paul told us that he would be visiting his parents in Knoxville this weekend. Therefore, he must not be at home.
DIANA: I agree that Paul is probably not at home, but you didn’t hear him right. He said that his parents live in Nashville.

Determine whether the following disputes are verbal, factual, or some combination of the two. If verbal, discuss whether the dispute arises from vagueness or ambiguity.