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:     Want to meet for lunch this Saturday ?  
 Person2:  Sorry , I can't . I am busy .  
 Person1:      What are you doing ?  
 Person2:  I always do volunteer work on the first Saturday of every month .  
 Person1:      What kind of volunteer work ?  
 Person2:  I help out at the children's hospital . I help plan activities .  
 Person1:      Oh , yeah ?  
 Person2:  Yes , it ’ s exciting . This month we are doing crossword puzzles . 

0