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 day is today ? 
 Person2:  Today is December twenty-third , two thousand and two . 
 Person1:      Oh , The day after tomorrow is Christmas . 
 Person2:  Merry Christmas to you . 

1