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 surf the Internet ? 
 Person2:  Yeah . I do it once a week . 
 Person1:      Is it very interesting ? 
 Person2:  Sure . I get a lot of information and make many friends . 
 Person1:      Oh , I'll have a try . 

1