answer: #Person2# says the man is around average height without marks or glasses, but #Person1# thinks the information is inadequate.
documents: #Person1#: You say he was around average height. 
  #Person2#: Yes, that's right, around five nine five ten. 
  #Person1#: Weight? 
  #Person2#: I'm not sure. Medium I suppose. Maybe a little on the heavy side. 
  #Person1#: Any marks on his face? 
  #Person2#: No, I don't think so. 
  #Person1#: Glasses? 
  #Person2#: No. 
  #Person1#: What about his hair? 
  #Person2#: Black or dark brown. 
  #Person1#: Long or short? Straight? Curly? 
  #Person2#: Straight, I think, and about average length 
  #Person1#: Boy, this sure doesn't help us much. It could be anybody. How about his cloth? What was he wearing?