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 , Dora ! What kind of books do you like to read ?  
 Person2:  I read everything I can get my hands on but I like love stories best . What do you think about the love stories ?  
 Person1:      I hate to tell you this , but they are nothing but sob stories .  
 Person2:  I don't think so . I like them . Then what's your favorite book ?  
 Person1:      I'm fond of history books .  
 Person2:  Oh , the history books are dull to me . 

1