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:     How long can I keep these books ? 
 Person2:  A month . Don't forget to return them by the due date . 
 Person1:      What if I can't finish them by then ? 
 Person2:  Bring them back to the circulation desk and renew them . 
 Person1:      Any terrible fines ? 
 Person2:  Sure . 

1