So , Jack , do you believe in ghosts ?   No , not really . Why do you ask ?   Because I want to tell you about the time that I saw a ghost .   You saw a ghost ? When ?   It was many years ago , when I was a little child . It was the middle of the night , and I went to get a drink of water from the kitchen . I walked out of my room and was at the top of the stairs , when ...   So that's where you saw the ghost ? In your house ? What did it look like ? Was it hideous ?   It was a big , green thing that looked like a person . It was in the kitchen , and it slowly moved towards the stairs ...   So what did you do ?   I hid so that it couldn't see me . Slowly it got closer and closer , until ... 