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:     The Blacks got divorced .  
 Person2:  Really ? Why ?  
 Person1:      Mr . Black has been getting a little on the side .  
 Person2:  Really ? I am surprised . He doesn't look like a guy who'd ever cheat on his wife , does he ?  
 Person1:      No , he doesn't . Anyway , his wife found out that he has been two-timing for a long time .  
 Person2:  Well , I am really surprised . By the way , have you done anything behind my back ?  
 Person1:      No . The only thing I've ever done behind your back is zipping you up .  
 Person2:  I like that joke , but I hope it's true . 

0