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:     Excuse me , I'm looking for your casual short-sleeved shirts . Can you tell me where those are ?  
 Person2:  Right over here , sir . What size do you wear ?  
 Person1:      Medium .  
 Person2:  These here are all mediums .  
 Person1:      Thank you . I think I'll take this one , and these pants as well . They're a present for a friend .  
 Person2:  Shall I gift-wrap them for you , sir ?  
 Person1:      Yes , please . 

0