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's his job ?  
 Person2:  He used to be a policeman .  
 Person1:      But Mrs.Smith hired him to find her lost son .  
 Person2:  Yeah . He's a private eye now . 

1