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.
HEIDI: This morning I heard a lecture on the life of Jane Austen. She was such a wonderfully educated woman.
DAVID: That's not true at all. Jane Austen dropped out of school when she was only eleven, and she never even attended high school, much less college or graduate school.