That creates some interesting theory, at least I think so.

An interesting theory, and one I'll never learn the truth of.

You were the first to bring this interesting theory to my attention.

But one man attending the seminar had an interesting theory.

That last one is an interesting theory, and it has been advanced by more than a few Council members.

It was an interesting theory, which could be discussed at greater length later on.

This is an interesting theory, but the authors can supply no evidence for it.

No way, but its an interesting theory and for them it works.

That interesting theory, true or not, provides no answer to the present crisis.

Crow has an interesting theory, one that can't be proved as yet but which certainly seems sound enough.