You are right in a way.

Your story doesn't corroborate what I've heard before.

There may be some truth in your story.

I see no analogy between your problem and mine.

Your allotment is $20.

I'll find someone to fill in for you.

Your explanation sounds plausible, but it just doesn't hold water .

When will your assignment be completed?

This happened prior to receiving your letter.

Your question is not relevant to the subject.