“How does it need to be worded?”
“The sanity clause” from the Marx Brothers’ Night at the Opera,
https://www.bing.com/videos/search?q=marx+brothers+contract+scene&view=detail&mid=87CE2B868531FB0EC97987CE2B868531FB0EC979&FORM=VIRE
And “is” will have to be removed because it is too general.