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'.

Example Input: Person1: Welcome to our university ' s fifties anniversary , Sir . Please have a seat .
Person2: Thank you . Wow , your school has so many honors . Congratulations !
Person1: Thank you .
Person2: Excuse me . I wonder see Dean Mr . Lee first . I was wondering if could you tell me where his office is ?
Person1: Certainly . Mr . Lee ' s office building at the south end of the campus , just beside the library .
Person2: Excuse me ?
Person1: Let me show you the way . Please follow me .
Person2: Thank you very much . It ' s very kind of you .
Person1: My pleasure .
Person2: This is it ?
Person1: It ' s up on the second floor . You have to use the stairs . The elevator isn ' t working .
Example Output: 0

Example Input: Person1: Why did the teacher criticise Myra in front of the whole class ?
Person2: Because Myra was cheating on exams.and she spoke back rudely .
Person1: I don't think that Myra should have spoken so rudely to the teacher . I know she was angry , but that's still no excuse for rudeness .
Example Output: 1

Example Input: Person1: There is a wonderful opera today . I'd like to see it .
Person2: I do not like the play with complicated plot . What's on today ?
Person1: ' The sound of music ' . This music is known by everybody and is suitable for all ages . It is about a happy family without sex , violence or bad language .
Person2: I know that . I have seen the film as the same title . Andrews gives a performance to be remembered for a lifetime from Maria to a cheerful governess .
Person1: Yes , you are right . I like the song in the movie , edelweiss , do you remember it ?
Person2: Of course , it is a nice song that can make audience calm and pleasant .
Person1: Those young actors play the roles perfectly .
Person2: I hope the opera will be more stupendous than the movie . Have you bought the tickets ?
Person1: No , I am asking you whether you will go to see it .
Person2: Let's go . We'd better buy the tickets earlier and have dinner in restaurant .
Example Output:
0