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:     Bob is really disturbed these days . 
 Person2:  We'd better have a heart-to-heart talk with him . 
 Person1:      But we cannot talk like elders . 
 Person2:  Of course not . Let's talk to him in a very friendly way . 

0