Sentence:  Sorry, your demonstration does not in fact demonstrate <WSD>gafia</WSD>, only sanity. You'll have to do something else to demonstrate <WSD>gafia</WSD>. (Tip: When trying to prove <WSD>gafia</WSD>, don't do it in a post to rec.arts.sf.fandom.) 
Meaning of the word marked with <WSD> tags:  The state of exiting or becoming inactive in fandom.