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:     Hi , I'd like to return this radio .  
 Person2:  All right . Do you have the receipt ?  
 Person1:      Here it is .  
 Person2:  May I ask why you're returning the radio ?  
 Person1:      It does not work very well .  
 Person2:  Would you like to exchange it ?  
 Person1:      No . I'd just like a refund .  
 Person2:  Certainly . This will take only a few seconds . 

0