what do i do???

so while all the KT is going on in my company...i asked a questions to one of my collegues in an email.
He did replly, but his reply was confusing enough. it was all theoretical.
So I asked again - i did not understand what you meant. can you give an example.
what do i get back? - the same line (as in nthe same words...the same words!!!) as the reply.
So i asked in a different way - did you mean A-..... or did you mean B-.....?
And this time the reply he gives is - he does tell me if its A or if its B. He replies 'C'.
i am still confused.

now what do i do?

i'll just ask another guy.