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:     What do you think of shopping ?  
 Person2:  I don't mind shopping for food and other daily needs .  
 Person1:      What do you think of big department store ?  
 Person2:  It's fun walking around them , but their displays are so good I'm tempted to buy things I don't really need . 

1