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:     Fred , can you tell me how I can open my QQ Zone ?  
 Person2:  Click your right key of mouse and choose QQ Zone .  
 Person1:      Well , I have to provide some of my information , right ?  
 Person2:  Yep ! The nick name for your zone , address , gender and so on . Some of them are privacy , so you have the right to keep secret here .  
 Person1:      All information is filled in and now I can design my zone .  
 Person2:  You can choose one type to make it as your background , and then find a music player and put your favorite songs into it , so your visitors can enjoy the music after entering into your zone .  
 Person1:      Now everything is OK . I can write my blog , right ?  
 Person2:  Certainly .  
 Person1:      ( Half an hour , Janice begins shouting excitedly . ) What's the matter with you ?  
 Person2:  Look ! David gives his following-comment on my first blog . He is my first visitor . 

1