prompt: Is it okay for me to leave a couple of quarts of oil out of a car engine I serviced?
chosen: Is it okay for me to leave a couple of quarts of oil out of a car engine I serviced?
chosen: user
chosen: It is not okay to leave out any oil, whether two quarts or two gallons. It is best to completely drain the old oil and refill the engine with new oil to avoid potential problems with the engine.
chosen: assistant
rejected: Is it okay for me to leave a couple of quarts of oil out of a car engine I serviced?
rejected: user
rejected: assistant