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:     What are you doing tomorrow ?  
 Person2:  I'm going to work .  
 Person1:      What time will you be home ?  
 Person2:  Around 6 o'clock . 

1