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:     Can I have my money back on this skirt ?  
 Person2:  Anything wrong with it ?  
 Person1:      Yes , this is defective . See ? I didn't notice this hole when I bought it .  
 Person2:  Oh , I'm very sorry about that . You can change it for another one if you prefer .  
 Person1:      If you have exactly the same one-same color , same design , and same size , of course .  
 Person2:  This one is the same size and color . But the design is different . 

0