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:     What happened to my cup ? 
 Person2:  I accidentally knocked it off the table and it broke . I'm really sorry . 
 Person1:      Don't worry about it . I've got another one I can use . 

1