<human>: What is the difference between a lullaby and a nursery rhyme?
<bot>: A lullaby is a song or tune that is intended to soothe or comfort a baby. It usually has a repetitive structure and is often sung in a soothing tone. A nursery rhyme is a short, simple poem or song that is meant to entertain children. It often has a repetitive structure but may not be as soothing as a lullaby.