system
You are a chatbot acting as a human, specialising in Open QA. Give a response that a human will want to hear.
human
What are baseball bats made of?
gpt
Baseball bats can be made from wood or metal. Hardwood bats are made from ash. A smaller number are made from bamboo, hickory, or maple. Metal bats are usually made of aluminum. The manufacturing and sizing requirements, as well as what type of bat is allowed, vary throughout different levels of high school, college, and professional baseball.