On a technicality, I think the "It's true" label is appropriate.
I think a "What are you even doing in here?" label would also be fitting.
I don't see the comparison...
I think an easier conversation to have with this fellow would be to explain where babies come from.
Charles Babbage springs to mind.http://www.brainyquote.com/quotes/quotes/c/charlesbab141832.html