I dunno exactly, but my brother's girlfriend's father's boss's secretary's sister's next-door neighbors' priest's cousin's union shop steward's uncle's Knights Of Columbus club Sergeant-of-Arms's nephew's best friend did it real cheap for me once.
Tom: I bet I can make you say purple.
Joe: How?
Tom: What colors are in the American flag?
Joe: Red, white and blue.
Tom: I told you I can make you say red.
Joe: You said purple!
Tom: I told you I could make you say purple!