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:     Do you often buy magazines ?  
 Person2:  I buy a computer magazine every month . It keeps me up-to date with all the latest developments .  
 Person1:      Why don ’ t you find the information on the internet instead ?  
 Person2:  Sometimes it takes too long to find the exact information you are looking for . Besides , I like to read a magazine in a coffee bar sometimes .  
 Person1:      Do you have an online edition of that magazine ?  
 Person2:  Yes , they do . But you can only access all the articles if you have a subscription .  
 Person1:      Do you have a subscription ?  
 Person2:  Yes , I do . The magazine arrives by post at the beginning of each month . Do you every buy magazines ?  
 Person1:      I only buy them if they look particularly interesting . I don ’ t buy any regularly . 

1