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 happened to Nancy ? She is all sweetness and light today .  
 Person2:  She is going to get married .  
 Person1:      No wonder ! Who is the bridegroom ?  
 Person2:  I don ’ t know . 

1