As part of their function they are to consider the wishes and instructions of parliament which, if it supports this bill, will serve notice to both potential offenders and the courts that the representatives of the people are seriously concerned with the theft of motor vehicles to commit other offences and we have decided to pronounce additional condemnation.
Parliament wants to crack down on car thieves by making penalties on offenders harsher so they won't commit more crimes in the future. 
Parliament's wishes were to prevent criminals, particularly car thieves from reoffending by making punishments harsher. I think it was difficult for the system to guess because I changed a lot of the vocab words from the original sentence a lot. 