answer: #Person1# asks #Person2# to look after #Person1#'s bag.
documents: #Person1#: Can you do me a favor?
  #Person2#: Sure. What is it?
  #Person1#: Can you keep an eye on my bag, please? Nature's calling.
  #Person2#: Sure. Will you be long?
  #Person1#: No, I just want to use the bathroom.
  #Person2#: Go ahead. It will be safe with me.