answer: #Person1# shared the experience of seeing a ghost with Jack. It turns out that the ghost was #Person1#'s father in 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.