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:     Are you ready to order , sir ? 
 Person2:  What's the special here ? 
 Person1:      We have steamed chicken , braised pork and Beijing roast duck and so on . Here's the menu . What would you like to have ? 
 Person2:  Well , let's try some braised pork , sweet and sour fish and some fried beans . 
 Person1:      Would you like anything to drink ? 
 Person2:  Just some soft drinks and only a bottle of beer . 
 Person1:      All right . Wait for a moment , please . 

1