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 do you think of the speech the man delivered just now ?  
 Person2:  Don't believe him . He's a liar .  
 Person1:      We cannot expect politics to be true anyway .  
 Person2:  Exactly . 

1