answer: #Person1# has a toothache and the dentist extracts the bad tooth painlessly. The operation finishes in five minutes.
documents: #Person1#: My toothache started nearly a month ago. The pain's been keeping me awake. Would you please have a look?
  #Person2#: Open your mouth, please. Which one?
  #Person1#: The one right at the back.
  #Person2#: I'm afraid we can ' t save that one. It will have to come out.
  #Person1#: Will it hurt much?
  #Person2#: I'll give you an injection, then you won't feel pain.
  #Person1#: ( 5 minutes later ) OK, it's all over. Spit there and bite the cotton ball tightly in place for half an hour.