A system is disclosed that provides a goal based learning system utilizing a rule based expert training system to provide a cognitive educational experience. In the apparatus, images of a field of view in front of the vehicle are captured, and the captured images are used to detect taillights of a preceding vehicle. When the user protests against the amount of the fee, the service provider discloses the data and signature data received from the user to the bank and when the bank judges based upon this signature data that this data is valid, it calculates a proper fee based upon this data and collects it from the user. At least two of the legs have thicknesses in different thickness-wise directions.