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:     Is there anything I can do for you ?  
 Person2:  I want a chemise .  
 Person1:      You have really good taste . It's the best seller right now .  
 Person2:  Could I try it on ?  
 Person1:      Sure .  
 Person2:  Well . It's not my taste . Would you please bring me a short sleeve ? 

1