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:     Did you vote yesterday ?  
 Person2:  I sure did !  
 Person1:      What candidate did you vote for ?  
 Person2:  I voted for Obama .  
 Person1:      I ’ m shocked he actually won .  
 Person2:  I knew he would win .  
 Person1:      How ’ d you know ?  
 Person2:  He was the best candidate this year .  
 Person1:      What about him being black ?  
 Person2:  I guess America is finally maturing .  
 Person1:      I think you have a point . 

1