(September 8, 2015 at 8:52 pm)Knight000 Wrote:
Determine all of what you know, don't think one has to tell lies and one has to tell the truth.
All I know? That's a very open-ended question! I fear that it wouldn't take as long to answer as I would hope

In regard to the presented scenario, all you can deduce, logically, is that Man 1 has provided one 'truthful' statement on one occasion. Your example doesn't contain enough information to progress any further without a series of un/poorly-supported assumptions.
Sum ergo sum