prompt: What are some things you can do to make lettuce turn brown?
chosen: What are some things you can do to make lettuce turn brown?
chosen: user
chosen: 1. Place lettuce in a warm, humid area.
  2. Store lettuce leaves with the stem side down.
  3. Rinse the lettuce with cold water.
  4. Leave lettuce in the refrigerator for too long.
  5. Expose lettuce to air or bright light.
chosen: assistant
rejected: What are some things you can do to make lettuce turn brown?
rejected: user
rejected: assistant