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 want to check out these books .  
 Person1:      I need your library card .  
 Person2:  I have it right here .  
 Person1:      It seems you have late fees .  
 Person2:  Are you sure ?  
 Person1:      Yes , I ’ m sure .  
 Person2:  How much ?  
 Person1:      Your late fees come to $ 24.50 .  
 Person2:  I don ’ t have that right now .  
 Person1:      You have to pay it off before you can check out more books .  
 Person2:  I ’ ll do that soon . 

1