UNANSWERED QUESTIONS

1. If a mute swears,does his mother wash his hands with soap?
2. How do they get deer to cross at that yellow road sign?
3. If the "black box" flight recorder is never damaged during a plane crash,why isn't the whole plane made out of the stuff?
4. Would a fly without wings be called a walk?
5. Why do they put braille on drive through bank machines?
6. What was the best thing before sliced bread?