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:     You said you like classical music very much . Then who is your favorite opera star ? 
 Person2:  There are three of them , the Three Tenors . 
 Person1:      Oh , you mean Pavarotti , Domingo and Carreras . Have you been to their live shows ? 
 Person2:  Yeah , it's really a unique experience . It's a solo concert by Pavarotti . He put on the performance in the Forbidden City in Beijing . 
 Person1:      I've heard of that one . It was also his swan song . 
 Person2:  Besides , speaking of classical music , we should never forget about the New Year's Concert . 
 Person1:      Of course not . People all over the world watch it on TV , or listen to it on the radio . 
 Person2:  Sure . It's undoubtedly one of the biggest classical music events . Have you ever been to the live show ? 
 Person1:      Yes , I went to the New Year's Concert in 2005 . 
 Person2:  Wow , you are so lucky . I saw that one on TV . But it must be so different to be there in the concert hall . 
 Person1:      That's for sure . You know , it's really amazing to be in the best concert hall , listening to the performance by the best orchestra . I had the greatest time ever . 
 Person2:  Who was the conductor at that event ? 
 Person1:      Lorin Maazel . He did an amazing job . Moreover , he just celebrated his 75th birthday . 
 Person2:  So cool . I wish I can go to the live New Year's Concert someday in the future . 
 Person1:      The right opportunity for you would come along soon . You know , music is transnational . 
 Person2:  I believe in that . Well , the performance is about to begin . Let's be quiet . 

1