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:     Which of the two do you think is better ? I mean , what's the difference between them ?  
 Person2:  Well ... this one costs more , but it has a much better sound.This part of it is made of wood , not plastic . And there's a tone control , too .  
 Person1:      I only want it for the kitchen . I like to listen to the news at breakfast time .  
 Person2:  Hmm ... well , the other one is good for the money . It's much cheaper . We sell clot of them and all our customers are satisfied with them .  
 Person1:      Hmm ... I'd like the cheaper one , please . Can I pay hy cheque ?  
 Person2:  Certainly . 

1