One evening after work, William's dad was going home in his old blue and white car when suddenly it stopped. He couldn't start it again. There was a lot of traffic behind him on the road. A policeman came and, together, they pushed the car off the road. 'That's enough!' William's dad thought. 'I must have a new car. I'm going to buy the silver one that I saw yesterday.'

So on Saturday, he bought a new car. William and his dad wanted to try it so they drove into the town. After half an hour, they decided to stop because they were hungry. They found a place for the car in a small, quiet street and left it there.

They had a snack in a café and then they decided to drive home again. Outside in the street, William's dad said, 'Where's the car? Which road is it in?

'I don't know!' said William.

They spent fifteen minutes looking for it. Then they found a policeman and said, 'We can't find our car!'

The policeman looked at them and said, 'I'll help you find the car, but is it a blue and white one?'

'No,' said William's dad.

'Good!' said the policeman, 'because I remember you and your old car!' They looked in all the roads near the café and soon found the new silver one!