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 watch television last night , Charles ?  
 Person2:  Yes , I did .  
 Person1:      It was a good game , wasn't it ?  
 Person2:  Oh , I didn't watch the football match . I wanted to but my wife preferred to see the old film .  
 Person1:      What a pity . It was quite exciting . Both teams played very well .  
 Person2:  How did it finish ?  
 Person1:      It finished in a draw . What was the film like ?  
 Person2:  It was quite good . But . I missed the beginning of it because I had to eat first .  
 Person1:      Did your wife enjoy it ?  
 Person2:  No , she didn't . After half an hour she stopped watching and started to read a book . 

1