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 shall I call him ?  
 Person2:  Oh , you may call him Uncle , or Henry .  
 Person1:      What's he doing ?  
 Person2:  He's checking bags.He ' s an official in the customs . 

1