prompt: I need to change the oil in my car, what's the best way to do that?
chosen: I need to change the oil in my car, what's the best way to do that?
chosen: user
chosen: The best way to change the oil in your car is to find the drain plug, loosen it and let the oil drain out. Next, fill the engine with the new oil and replace the drain plug. After that, check the oil level and top it off as necessary. Lastly, inspect the oil filter and replace if necessary.
chosen: assistant
rejected: I need to change the oil in my car, what's the best way to do that?
rejected: user
rejected: assistant