answer: #Person1# describes the experience of seeing a ghost when #Person1# was a little child to #Person2#. But it turned out to be his father getting a late-night snack in his green pajamas.
documents: #Person1#: So, Jack, do you believe in ghosts? 
  #Person2#: No, not really. Why do you ask? 
  #Person1#: Because I want to tell you about the time that I saw a ghost. 
  #Person2#: You saw a ghost? When? 
  #Person1#: 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... 
  #Person2#: So that's where you saw the ghost? In your house? What did it look like? Was it hideous? 
  #Person1#: It was a big, green thing that looked like a person. It was in the kitchen, and it slowly moved towards the stairs... 
  #Person2#: So what did you do? 
  #Person1#: I hid so that it couldn't see me. Slowly it got closer and closer, until ... ... 
  #Person2#: Until what? What happened? Did you see it clearly? Did it attack you? 
  #Person1#: It moved slowly up the stairs, step by step, and I could hear its approaching footsteps . When it finally got to the top of the stairs, I realized that it was my father in his green pajamas. He had gone to get a late night snack.