Question: If green means go, yellow means slow down or caution, and red means stop. Why can't traffic lights go when they turn to green?
Answer: They only tell drivers when to go. Not themselves.
Question: What tastes better than it smells?
Answer: A tongue.
Question: What loses its head in the morning and gets it back at night?
Answer: A pillow.
Question: What two things can you never eat for breakfast?
Answer: Lunch and dinner!
Question: What asks but never answers?
Answer: An owl!
Question: What can you catch but not throw?
Answer: A cold.