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'm afraid I have to return this sweater .  
 Person2:  May I ask if there's anything wrong with it ?  
 Person1:      You see , there is a run at the neck .  
 Person2:  Oh , sorry.But do you want to change it for another one ?  
 Person1:      No , thank you . 

0