answer: Edgar tells #Person1# the steps to send an e-card via Yahoo Greetings.
documents: #Person1#: Do you know Yahoo Greetings,Edgar? 
  #Person2#: Sure. It's a popular e-card website. 
  #Person1#: Can you tell me how to send one on it? 
  #Person2#: Okay. Did you get the Yahoo ID? 
  #Person1#: ID? What's that? 
  #Person2#: I mean, you must register first before you send a card. 
  #Person1#: Oh. I see. But I have done it. 
  #Person2#: Ok. Choose the card which you like best, and fill in the following blanks with both your and your friend's names and e-mail addresses. 
  #Person1#: Is that all? 
  #Person2#: Don't forget to send. 
  #Person1#: Oh. I see. Thanks.