input: [GENERAL KNOWLEDGE] Getting your Doubles and Triples Endorsement will allow you to drive a a Tractor Trailer (Semi) that has two or up to three trailers attached to the rig. By passing this endorsement you will be a great asset to your company! Not to mention a drastic increase in pay! [GENERAL KNOWLEDGE TRUE/FALSE] Getting your Passenger Endorsement will allow you to drive a Greyhound, Limousine, or transporting persons in a vehicle for hire. You will need this endorsement if you will be transporting 15 or more including the driver. With the economy the way it is, this endorsement is perfect for that second job. [AIR BRAKES] 
output: It is going to take some work on your part in order to pass your first try! You are going to have to study our practice test until you are consistently passing. You can't just purchase the software and not utilize it and expect to pass!