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:     how are you doing ?  
 Person2:  I'm ok . I wish I could say the same for my friend .  
 Person1:      what happened to him ?  
 Person2:  he was arrested by the police for drinking and driving .  
 Person1:      was it his first offence ?  
 Person2:  unfortunately not . He was charged with a DUI when he was in university .  
 Person1:      what happened to him then ?  
 Person2:  not much ; it was a minor offence back then . He got away with a fine of $ 500 .  
 Person1:      did they take his license away ?  
 Person2:  no , they were really easy on him . The problem is that that was a long time ago . They are much tougher on crime now .  
 Person1:      what do you think will happen to him ?  
 Person2:  well , he'll definitely lose his license , pay a fine , and maybe even spend some time in jail .  
 Person1:      that doesn't sound too promising . Does he have a defence lawyer ?  
 Person2:  not yet . If we can't find a lawyer for him , then the state will appoint him with one .  
 Person1:      my sister is a lawyer . I can ask her if she can help him .  
 Person2:  that'd be great ! I know he'd appreciate your help . 

1