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:     Where are you going ?  
 Person2:  I'll accompany my wife to the hospital .  
 Person1:      What's wrong with her .  
 Person2:  She is expecting .  
 Person1:      Congratulations to you .  
 Person2:  Thank you . 

1