prompt: How long can I drink milk before it expires?
chosen: How long can I drink milk before it expires?
chosen: user
chosen: Milk generally does not spoil, however, there is a limit to how long it can be kept before it starts to lose quality. For best results, milk should be used within three to five days of opening. As an rule of thumb, it is best to consume or refrigerate milk within one week of opening.
chosen: assistant
rejected: How long can I drink milk before it expires?
rejected: user
rejected: assistant