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:     What would you like to order , sir ?  
 Person2:  I'd like to try some Chinese food .  
 Person1:      We serve different styles of Chinese food here . But I'm not sure which one do you prefer .  
 Person2:  I have no idea . Could you recommend some to me ?  
 Person1:      Well . Cantonese food is rather light , Beijing food is heavy , and Sichuan food is usually hot and spicy .  
 Person2:  Oh , I see . I'd like to have hot food .  
 Person1:      If so , I suggest you have a taste for Sichuan food . Most Sichuan dishes are spicy and hot , but they have different tastes .  
 Person2:  Really ? So do you have some specialties ?  
 Person1:      Yes . Roasted Crispy Chicken and Spicy Beef are our specialties .  
 Person2:  All right . I'll have them . 

1