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:     Who is responsible for the accident ? Is it Tony ’ s fault ?  
 Person2:  No . I don ’ t suppose he ’ s to blame . The man in the other car made a big mistake .  
 Person1:      You mean Tony is the victim ? No , I don ’ t think so . He ’ s equally responsible because he tried to overtake you .  
 Person2:  Yeah . I think everyone should go easy on driving . 

1