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:     Welcome to Super Stereos . What can I do for you ?  
 Person2:  I'd like to look at your stereo systems . Do you have anything on sale ?  
 Person1:      Yes , this system over here is on sale for $ 1,000 . As you can see , all of the components are brand-name .  
 Person2:  But it doesn't have a turntable . I have a fair number of vinyl records , so I need something to play them on .  
 Person1:      Our selection of stereo systems with turntables is somewhat limited , but we do have this system over here . 

1