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:     Have you heard of the Love Bug ? 
 Person2:  Do you mean the ' I love you ' virus that attacks computers through e-mail ? 
 Person1:      Yes . It is one of the most harmful computer viruses in the world . People say it will break out again om Valentines ' Day this year . 
 Person2:  This is terrible . Why do hackers play such a dirty trick ? 
 Person1:      Hackers are smart , and they want people to know about it . 
 Person2:  So they create viruses to tell people they are smart ? That's really sick . 

1