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 may I help you ?  
 Person2:  I need to check these books out .  
 Person1:      Do you have your library card ?  
 Person2:  Here it is .  
 Person1:      It appears that you have late fees .  
 Person2:  Really ?  
 Person1:      Yes , really .  
 Person2:  How much do I owe ?  
 Person1:      You owe $ 24.50 in late fees .  
 Person2:  I don ’ t have that much today .  
 Person1:      I ’ m sorry , but until you pay it , you won ’ t be able to check out any more books .  
 Person2:  I ’ ll pay it as soon as possible . 

1