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:     Catherine , have you ever seen the movie Fast Food Nation ?  
 Person2:  Yes , I remember it was inspired by a New York Times best-seller of the same name .  
 Person1:      It's very thought-provoking , isn't it ?  
 Person2:  Exactly . It reveals the dark side of the all-American meal .  
 Person1:      So what do you think of the American fast food culture ?  
 Person2:  I think America really deserves the name of " fast food nation - as people can find McDonald ' s , KFC and Pizza Hut almost all over the States .  
 Person1:      And everyone knows that Americans ' favorite food is the hamburger , isn't it ?  
 Person2:  Sure . You see , Tom , fast food is a lifestyle that craves convenience . People just don't care whether it is healthy or not .  
 Person1:      But I think some healthy menu options are also served at fast food restaurants ..  
 Person2:  What are they ?  
 Person1:      Such as fat-free milk , whole-wheat rolls and fish sandwich .  
 Person2:  They're much better  
 Person1:      But I'm not sure if they're well-rcceived .  
 Person2:  That's the point . People usually don't have much time to think about it when they have a on-the-go meal .  
 Person1:      Well , Americans may need to find a way to make the most of their fast foods .  
 Person2:  I suppose so . 

1