I deny Q ever existed. There is no evidence. Sometimes empiricism just isn't convenient is it?
Q doesn't exist in the premise and magically appearrs out of nowhere in the conclusion. If that is not an example of the conclusion having no relation to the premise, then one doesn't exist.
I deny Q ever existed. There is no evidence.
I know what you believe and we've nothing left to discuss. This X,Y,Z and Q nonsense has become tiresome anyway.
Believe whatever you like, but you haven't demonstrated, disproved, or proved anything.