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:     Ms . : Do you have a question , Mary ?  
 Person2:  No . That's not why I raised my hand . I need to go to the ladies ' room .  
 Person1:      Ms . : Let me give you a hall pass for it .  
 Person2:  What's a hall pass ?  
 Person1:      Ms . : With a hall pass , you can go to the ladies ' room or wherever you need to go during class time .  
 Person2:  I see .  
 Person1:      Ms . : If a teacher stops you in the hallway , just show him or her the pass .  
 Person2:  Or else I'll get into trouble .  
 Person1:      Ms . : That's right . 

1