answer: #Person2# tells #Person1# that #Person1# shouldn't take more than one shower a day because water resource is limited. #Person1# insists and #Person2# advises #Person1# to keep showers short.
documents: #Person1#: Mom, it's hot out there. I'm going to take a shower.
  #Person2#: Another one? Haven't you already taken 2 today?
  #Person1#: Well, I'm sweaty. Why can't you smell me from over there?
  #Person2#: You really shouldn't take more than one shower a day though. You're wasting water.
  #Person1#: But water is not that expensive.
  #Person2#: Water is an important resource and we don't have endless supply of it.
  #Person1#: But if I don't shower, I'll smell up the whole house.
  #Person2#: Well, at least keep it short. If you cut your shower time by 2 minutes, you can save about 600 liters a month.
  #Person1#: That much. When did you become such a water expert?
  #Person2#: Since my friend Michael told me about the water shortages that are happening all over the world.
  #Person1#: But we've always had lots of water in the city.
  #Person2#: We have water now. But more people on the planet means less water to go around. Think about that as you shower.