prompt: What are some home remedies for teeth whitening?
chosen.content: What are some home remedies for teeth whitening?
chosen.role: user
chosen.content: 1. Lemon juice mixed with baking soda and applied directly to the teeth. 
  2. Baking soda and water paste to brush the teeth.
  3. Activated charcoal and hydrogen peroxide mixed and painted onto the teeth. 
  4. Salt water rinse. 
  5. Apple cider vinegar and baking soda gel.
chosen.role: assistant
rejected.content: What are some home remedies for teeth whitening?
rejected.role: user
rejected.content: Some common home remedies for teeth whitening include using baking soda and hydrogen peroxide, using charcoal teeth powder, using apple cider vinegar and baking soda together, and making your own natural whitening paste with sesame seeds, dihydroxyacetone, and hydrogen peroxide.
rejected.role: assistant