answer: #Person1# tells #Person2# there will be a dog park. #Person2# thinks dogs should be allowed on the streets but #Person1# thinks the opposite because people wouldn't clean up after their dogs.
documents: #Person1#: I hear a businessman is building a dog park in our city.
  #Person2#: Really? what for?
  #Person1#: Obviously, because there is a law against having dogs in the streets.
  #Person2#: Does it mean that dogs have to stay at home all the time?
  #Person1#: Sounds pretty cruel right? Maybe a dog park is a good idea.
  #Person2#: Maybe they should just allow people to walk their dogs in the streets.
  #Person1#: But then streets would be a mess.
  #Person2#: Couldn't people just clean up after their dogs?
  #Person1#: Would they?