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:     Mr . Brown , are your children always kicking up a row like this ? I cannot concentrate on my paper .  
 Person2:  Sorry , Mr . Black . I ’ m trying to make them quiet .  
 Person1:      I ’ m afraid if the noise goes on , I shall have no alternative but to leave .  
 Person2:  Sorry , sir . Believe me , everything will be all right . 

1