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:  Yes . Can you show me the menu , please ? 
 Person1:      Of course . Here you are . 
 Person2:  Then , what's special tonight ? 
 Person1:      Our seafood is fresh . I recommend shrimp with garlic . 
 Person2:  All right . We'll have some seafood and vegetables . 

1