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: What kind of music do you like listening to ?
Person2: I like music that has a fast beat and is lively , like dance music . You know , I go to a disco almost every week . Sometimes it's too loud though . You prefer classical music , don ' t you ?
Person1: Yes , I do . I find it very relaxing . I often listen to Mozart or Bach in the evening after a hard day at work .
Person2: I must admit that I like several pieces of classical music . It ' s certainly more sophisticated that modern dance music .
Person1: Classical music is supposed to be good for you brain . Research suggest that it makes your brain more active . Students who listen to classical music while studying perform better .
Person2: Really ? Perhaps I should listen to classical music often . I heard that listening to classical music is helpful in reducing stress .
Person1: Yes . That ' s why I listen to it in the evenings . I usually play it as background music while I ' m cooking or doing other housework .
Person2: I ' Ve got a few classical music CD ' s . I should follow your lead and increase my brian power .
Person1: You can find plenty of recording on the internet too . You can listen to samples and then buy them very cheaply if you like them .
Person2: That ' s a good idea . You should do the same with some music . You might find something you like . Classical music might make you clever , but dance might make you livelier and happier .
Person1: That ' s true . There ' s clear evidence that people who listen to lively music are lively people . Music can influence a person ' s feeling and character .
Example Output: 1

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: Let's go see pandas ! The news said that two pandas arrived at the zoo last week .
Person2: Great ! I would like to see cute pandas , too .
Person1: How can we get there ?
Person2: We can take the MET and get off at the Zoo Station .
Person1: OK ! Let's go .
Person2: ( At the zoo ) Wow ! This zoo is really huge .
Person1: Yes , you can find hundreds of various animals here . It is the biggest zoo in Taiwan .
Person2: Look at the map . It has different areas , such as marine lives , mammals , polar animals and insects .
Person1: Where can find the pandas ? I think we are here to see the pandas .
Person2: We have to go to the mammal area . We are at the gate right now . We need to go straight from here and turn left and go along to the end and make anotherleft turn .
Person1: It should take at least 20 minutes to get there . Are there any shuttle buses running place to place around the whole zoo ?
Example Output:
0