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:     May I help you ?  
 Person2:  I would like to find this book .  
 Person1:      Is there a problem ?  
 Person2:  I don ’ t think you guys have it .  
 Person1:      You should look it up on our computer .  
 Person2:  I did that .  
 Person1:      What came up ?  
 Person2:  It should be on the shelf , but I didn ’ t see it .  
 Person1:      I can try to get the book from a different library .  
 Person2:  I didn ’ t know you could do that .  
 Person1:      I will call you when I find it .  
 Person2:  I appreciate your help . 

1