One Halloween not so long ago a little girl named Jane was getting ready to go trick or treating. She was nine years old and was dressing up as a witch and had a witch's hat and a broomstick. Her mother helped her to put on green face paint. They were going to visit houses in an area where lots of people had treats to give out. Jane's friend Kate and her mother were going to meet Jane and her mum to go around the houses together. At 4:30 Kate's mother phoned Jane's mother to say that Kate wouldn't be able to go because she had got sick. Jane was disappointed and didn't want to be going from house to house without her friend. Her mother said “Let's go anyway and we might meet someone there that you can go around with – maybe some other kids from your school.” Jane reluctantly agreed, but still worried that she wouldn't find a companion. Jane's mother drove them over to the trick-or-treat neighbourhood and parked the car. They both got out and