Let's see: - the author does not define "grace" - the author does not define "sports" - the author does not define "schools" Sure, the text is not ambiguous

Let's see: - the author does not define "grace" - the author does not define "sports" - the author does not define "schools" Sure, the text is not ambiguous at all! Maybe I am just being a pedantic academic, but in Math if you want to make a point using X, Y and Z, you usually start be defining X, Y, and Z. Human language is vague already, there's no need to make it even worse.