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: I can ' t believe the cost of apartments in New York City .
Person2: Oh , you didn ' t know that apartments here are considered valuable , even if they are small and crowded ?
Person1: Of course I had heard about that , but now I know how expensive it is to rent a place here .
Person2: I don ' t mind paying high rent to live in New York .
Person1: Why ? You pay so much for such a tiny space to live .
Person2: Yeah , but so what ! I ' m proud to live in the world ' s most exciting city . And , the salaries here are the highest in the nation , too .
Example Output: 0

Example Input: Person1: Have you ever been to Britain ?
Person2: Oh yes , I ' Ve been to Britain many times . I go there on business .
Person1: Really ? How often do you go there ?
Person2: Usually , I go to London twice a year but sometimes I go three or four times a year .
Person1: Do you always go on business or do you sometimes go for a holiday ?
Person2: I ' m afraid I never go for a holiday . It ' s always business .
Example Output: 1

Example Input: Person1: Hello , may I speak to Mr.Baker , please ?
Person2: Hold on a second , please . I'll see if he's in . I'm sorry , Mr.Baker had just gone out . Who's calling ?
Person1: This is Jones . Can I leave a message ?
Person2: Yes , certainly . What's that ?
Person1: Please tell him to call Mr.Baker at the Grand Restaurant . It's urgent .
Person2: OK , I'll have Mr.Baker call you as soon as he comes back .
Person1: Thank you .
Person2: You're welcome .
Example Output:
0