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 the movie program on Channel 6 last night ?  
 Person2:  Yes , I did . It is a horrible movie .  
 Person1:      I wonder why TV programs often show much violence .  
 Person2:  Actually , more and more people have realized that violence on TV may lead to the increase of crime rates among teenagers .  
 Person1:      They are especially harmful to teenagers .  
 Person2:  But anyhow there are many worthwhile programs . 

1