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:     How have you been ?  
 Person2:  Fine , thank you .  
 Person1:      And how's everyone in your family ?  
 Person2:  Very well , thank you . I'm meeting my wife and daughter for lunch at twelve.Would you care to join us ?  
 Person1:      I'd love to , but I'm afraid I can't . 

1