A passenger car with a non-light trailer arrives at the same time as a truck traveling in the opposite direction to a narrow passage in which the right-of-way is not signposted and does not allow the crossing of two vehicles . Who will pass first ?
The truck if more than 3 . 500 kilograms of M . M . A .
Vehicle set .
The set of vehicles if the truck has an M . M . A of less than 3 . 500 kilograms .