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 love your little Lulu dolls.How much for a batch of 6,000 ?  
 Person2:  For a batch of 6,000 we would charge two dollars a doll . your total cost would be $ 12,000 .  
 Person1:      That ’ s a little steep for our company.Do you offer any discounts ?  
 Person2:  Well , we ’ d like to work with you . If you ordered a larger quantity we could drop the price a little . Can you increase your order to 15,000 ?  
 Person1:      Hmmm.It wouldn ’ t be easy , but if the discount makes it worthwhile , we can consider it.How much of a discount would that give us ?  
 Person2:  For order of 12,000 or more we charge only $ 1.5 a doll . your total cost would be $ 18,000 .  
 Person1:      So , for an additional 6,000 dollars , we get twice as many dolls ? That still might be a little hard.Couldn ’ t you discount it further ? We ’ Ve been pricing other suppliers , and this discount might  
 Person2:  We do value your business . I think I can offer a further discount – say 5 % ?  
 Person1:      I think we can handle that . Let me confirm with my boss and touch base with you again tomorrow . 

1