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 can I do for you ?  
 Person2:  I am trying to find this book .  
 Person1:      What ’ s the problem ?  
 Person2:  It doesn ’ t seem like this library has it .  
 Person1:      Have you checked the computer ?  
 Person2:  I have already .  
 Person1:      What did it say ?  
 Person2:  It says the book is on the shelf , but I didn ’ t find it there .  
 Person1:      I can always borrow the book from another library .  
 Person2:  You can do that ?  
 Person1:      I ’ ll make the call and contact you when it gets in .  
 Person2:  That ’ s fantastic . Thank you . 

1