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 did you know ?  
 Person2:  It was a kind of sixth sense .  
 Person1:      Does it happen often ?  
 Person2:  No . 

1