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:     Would you please bring us the check ? 
 Person2:  Sure , here you are . It comes to $ 84 . 
 Person1:      Does that include the service charge ? 
 Person2:  No . sir , we charge separately . 
 Person1:      Here you are . Keep the change . 

0