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:     Hi , Charles . What's the matter ?  
 Person2:  Oh ! ! My car isn't working . I'm waiting for a tow-truck .  
 Person1:      Do you have a ride home ?  
 Person2:  Yes , my wife is coming to get me .  
 Person1:      That's good . Do you live near here ?  
 Person2:  No , we live in the suburbs . What about you ?  
 Person1:      I live downtown , with my parents .  
 Person2:  Do you have a car ?  
 Person1:      I don't need a car . I walk to work .  
 Person2:  You're lucky ! 

1