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:     Who is it ?  
 Person2:  Supervisor . Open the door .  
 Person1:      Wait a sec .  
 Person2:  What are you doing here ?  
 Person1:      We're watching a football match . What's the matter ?  
 Person2:  Your neighbors complained that you were so noisy that they can't sleep .  
 Person1:      I'm sorry about this .  
 Person2:  Please turn down the TV . And not another shout or I'll have to report you to the school administration .  
 Person1:      You can rest assured that we won't disturb others anymore . 

1