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:     How often do you use the internet ?  
 Person2:  I use it almost every day , but I usually only use it to check my email . I don ’ t often surf the net . You use the internet a lot , don ’ t you ?  
 Person1:      Yes . I use it to find products and components at the lowest price for my company . It can be frustrating when the connection is poor .  
 Person2:  So , you ’ re online eight hours a day .  
 Person1:      Yes , I like the job though . Sometimes , I help other people in the office if they ’ re having trouble online .  
 Person2:  How useful do you think the internet is as a source of information ?  
 Person1:      I think it ’ s fairly useful , but there are two big problems . First , a lot of the information you find online is false . Second , when you buy something online , you don ’ t see it until you actually get it .  
 Person2:  How do you solve the website problems when you ’ re buying something online ?  
 Person1:      What I do is find the website of shops . Then someone from our company visits the shop and buys when they ’ re seen that the products are genuine and suitable . 

1