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:     I'm not satisfied with it .  
 Person2:  Why not ? What's wrong with it ?  
 Person1:      Sometimes it goes fast . And sometimes it goes slow . And the alarm doesn'twork , either .  
 Person2:  Would you like another one ?  
 Person1:      No . Can I have my money back ?  
 Person2:  Hmm ... have you got a receipt ?  
 Person1:      A receipt ?  
 Person2:  Yes . I must see your receipt . You can't have your money back without receipt .  
 Person1:      Oh , I'm not certain , but I think I've lost it . 

0