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:     Why did the boss come down on Joe like a ton of bricks . 
 Person2:  He spoke evil behind his back . 
 Person1:      How did he know that he had bad mouthed him ? 
 Person2:  Someone told Joe off . 
 Person1:      He is then in a very difficult situation . 
 Person2:  Sure . He ’ ll get the bag , I think . 

1