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:     Hey Mark . What are you doing ?  
 Person2:  Just watching some TV .  
 Person1:      Anything interesting on ?  
 Person2:  Not really . Just watching the sports highlight on ESPN .  
 Person1:      So I take it you're pretty bored too .  
 Person2:  Just killing time until I find something to do . What are you going to do ?  
 Person1:      It's Saturday and we are sitting at home doing nothing . What's wrong with us ?  
 Person2:  You wanna shoot some hoops ?  
 Person1:      I already tried to call up some of the guys , but they are all busy .  
 Person2:  Where's your girlfriend ? I thought you were going out with her today .  
 Person1:      She's out shopping with her friends .  
 Person2:  Let's go to Starbucks and think of something to do then .  
 Person1:      Aright . Do you have any cigarettes ?  
 Person2:  I only have a couple left . Why don't you pick some up on the way .  
 Person1:      Ok . See you there in about 30 minutes .  
 Person2:  Aright . See you there . 

1