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 want to get a passport .  
 Person1:      You need to apply for a passport .  
 Person2:  When can I apply for it ?  
 Person1:      You can apply right now .  
 Person2:  I ’ d like to do that .  
 Person1:      Fill this out , please .  
 Person2:  What ’ s next ?  
 Person1:      I will need to take your passport picture .  
 Person2:  When will my passport be ready ?  
 Person1:      It will take about three weeks .  
 Person2:  That ’ s great . Thank you . 

1