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 anything the matter , sir ? 
 Person2:  Yes , it's my steak . 
 Person1:      What's wrong with it , sir ? 
 Person2:  It's too raw . I wanted mine well done , but this one here is almost medium . 
 Person1:      I am sorry you didn't enjoy it , sir . I will return it to the kitchen and bring you one that is well cooked . How is your steak this time , sir ? 
 Person2:  Very good . It's done just right this time , thank you . 
 Person1:      I am glad you enjoy it . I will tell this to the chef . Would you like some more beer ? 
 Person2:  Yes , please give me another Calsberg . 
 Person1:      Can I bring you some dessert ? 
 Person2:  No , thank you . I've had enough . 
 Person1:      How about some coffee or tea then ? 
 Person2:  Yes , I will have a cup of coffee . 

1