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:     Why do you look so gloomy ? What are you looking for ? 
 Person2:  My dissertation . I put it somewhere last night and I can't find it now . 
 Person1:      Did you finish typing yesterday ? 
 Person2:  Yes , I kept on typing it until midnight , but it is lost . 
 Person1:      Don't worry about it . It must be somewhere in your room . Let's see where you put it . Have you searched your drawers and the desk ? 
 Person2:  Yes , but there is nothing inside the drawers or on the desk . 
 Person1:      How about the shelf ? 
 Person2:  I've searched everywhere . Where on earth did I put it ? 
 Person1:      Don't get upset over it . At least you have another week to go . 
 Person2:  I have been working on it for a whole month and it's too late to write another . Just think of all my hard work that goes for nothing . How could I do such a thing ? 
 Person1:      Cheer up ! What I meant was that you can find it sometime during a week . There is no need to write a new one . Oh , what's this ? Is this your dissertation ? 
 Person2:  Let me see . Yes , that's it . Where did you find it ? 
 Person1:      You ’ Ve put it among these journals . 
 Person2:  My poor memory . Thank you very much . 

1