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 need to copy some pages in my book .  
 Person1:      The copier is right over there , in the corner .  
 Person2:  Do I need to pay to use it ?  
 Person1:      You have to pay to use the copier .  
 Person2:  How much do you charge ?  
 Person1:      You need to pay ten cents for every copy .  
 Person2:  Is there a maximum number of copies I can make ?  
 Person1:      You can make as many copies as you want .  
 Person2:  I ’ m going to need you to show me how to use the machine .  
 Person1:      There are instructions posted on the copier .  
 Person2:  Thank you for your help . 

1