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:     Can I leave early today ? 
 Person2:  Sure . I don ’ t mind . 
 Person1:      And can I come in late tomorrow ? 
 Person2:  I don ’ t see why not . 
 Person1:      And may I take Friday off ? 
 Person2:  Go ahead . It ’ s OK with me . 
 Person1:      One more thing . Would you give me a ten-dollar raise ? 
 Person2:  No . 

1