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:     Is it true that rice is the staple food in most of Southeast Asia ?  
 Person2:  I'm not an expert , but that's the impression I have .  
 Person1:      Is rice your staple food , too ?  
 Person2:  Needless to say , as a Westerner , it's bread . 

1