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!
Six: two to screw in the bulb and four to testify that it was lit from the moment they began screwing.
None; the bulb will change itself when it is ready.