answer: Alice is calling #Person1# all the morning to share her idea that 12 different people buy the expensive diamond necklace together, so they can split the expenses and wear it in turns.
documents: #Person1#: Alice, you are calling all the morning.
  #Person2#: Because I have a wonderful idea.
  #Person1#: You want to hold a grand party and you're inviting friends?
  #Person2#: No, I want to buy a diamond necklace. But it's too expensive.
  #Person1#: I don't know your meaning.
  #Person2#: It's $12,000 and it's really lovely.
  #Person1#: You want to borrow money from your friends.
  #Person2#: No. I want to buy it with other friends.
  #Person1#: Good idea. Then you can wear it by turns.
  #Person2#: Yeah, and we are all the owners of the necklace.
  #Person1#: Good idea, but not all accepted.
  #Person2#: Right, but 8 girlfriends have agreed to do so.
  #Person1#: How many people would you like to find at last?
  #Person2#: 12 including me. We each pay $1000.
  #Person1#: You can wear a month in a year, if you buy it.
  #Person2#: Clever.