answer: #Person2# helps Bob to hang up the picture, but it's upside down.
documents: #Person1#: Would you mind giving me a hand?
  #Person2#: Okay, Bob, What is it?
  #Person1#: Help me hang up this picture, please. Would you hold it straight while I put in the nail?
  #Person2#: All right.
  #Person1#: Now, hand me the hammer and those nails, please.
  #Person2#: Yes, here you are.
  #Person1#: There! How does it look? Tell me if I've got it straight.
  #Person2#: Well, it's straight, but it's upside down I'm afraid.