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 , ma'ma ?  
 Person2:  Please , where do I catch the plane for New York ?  
 Person1:      First you must check in at Counter No . 4 .  
 Person2:  That one there ?  
 Person1:      That's right . Then you will follow the signs to Gate 85 .  
 Person2:  Thank you . You ' Ve been very helpful . 

1