Definition: You are given a conversation between two people. 'Person1:' and 'Person2:' are used to separate their respective dialogues. If the conversation begins with a question, label it '1' otherwise '0'.
Input:  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 interested 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 collections .  
 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 . 

1