answer: Mary tells Frank that she likes collecting stamps instead of traveling. Mary learns about the world by collecting stamps.
documents: #Person1#: Morning, Mary. I haven't seen you in a long time. What's up? 
  #Person2#: Oh, I took up a new hobby. 
  #Person1#: So you don't travel a lot now? 
  #Person2#: No, Frank. I'm much more interestcd in collecting stamps now. 
  #Person1#: It's certainly a popular hobby. I know a lot of people love stamps. 
  #Person2#: It certainly is. It's so much fun. 
  #Person1#: I believe collecting stamps has something similar to traveling right? 
  #Person2#: Absolutely. Through all kinds of stamps I am able to learn about the world. 
  #Person1#: Well, every stamp has a story to tell. 
  #Person2#: You're right. And I also meet many new friends while collecting stamps. 
  #Person1#: Good. 
  #Person2#: Sometimes we even spend hours discussing our collcctions. 
  #Person1#: There's a lot to share when you have a common interest. 
  #Person2#: Yes, it's really amazing. I got to go now. I'm meeting with some other collectors. 
  #Person1#: Ok, good luck. See you 
  #Person2#: See you, Frank.