Q2. Mark was sat in the waiting room at the dentists reading an old magazine about sports cars published in 2009. The magazine had the first road test of the

Lamberarri Pegaso on the day it was released. Mark couldn't believe the car was over ten years old as it was such a futuristic-looking machine. An advertisement the magazine caught his eye which read "Special offer, free automobile check-up - the best service is guaranteed." He called to accept, but they wouldn't give his car a free check-up. Explain why English Law would not generally consider this to be an offer.