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:     Kathy ! How are you ? It's been ages ! What are you doing these days ? 
 Person2:  I just opened my own restaurant . I'm also head chef . 
 Person1:      You're kidding ! You've always hated cooking ! 
 Person2:  Well , I used to hate cooking , but now I love it . 
 Person1:      When did you change your mind ? 
 Person2:  After I tried French food . Before that , I used to cook really boring things for my family . 
 Person1:      I still can't believe it ! So , did you go to cooking school or something ? 
 Person2:  Yeah . I went to California to study . 
 Person1:      Really ? How long did you stay there ? 
 Person2:  I was there between 88 and 90 . 
 Person1:      And what did you do after that ? 
 Person2:  Then I came back here . I worked for about three years to get some experience . 

1