The passenger is difficult to judge whether the drivers are drunk even if the passengers knew the driver was drinking, advice and punishment passengers if the driver does not listen to the passengers is not fair.
It is difficult to judge whether the driver drunken passengers even if passengers know drinking drivers, if the driver does not listen to advice passenger passengers, punishment is unfair.
Passenger is difficult to judge whether driver drunk even if passengers knew drinking drivers if a driver does not hear passengers advised, the punishment is unfair to passengers.