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:     This blouse is a special offer today . You can have it at 10 % off the regular price .  
 Person2:  It's nice , but still too expensive . Can you give me a 20 % discount ?  
 Person1:      No . 10 % is my last word .  
 Person2:  Come on . Let's split the difference , 15 % . 

0