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:     Yes , sir . What'll it be for you ? 
 Person2:  Two hamburgers and French fries . 
 Person1:      Is there anything else ? 
 Person2:  Give me two cokes also , please . 
 Person1:      Is this to go or to eat here ? 
 Person2:  We'll eat here . 
 Person1:      Here you are . That's eight fifty . 
 Person2:  And can I have some ketchup , please ? 
 Person1:      It's on the service counter over there . 

1