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: Consider Input: Person1: Excuse me , how do I get to the Forbidden City ?
Person2: Follow this road and turn right at the second intersection . It'll be right there .
Person1: Is it far ?
Person2: No , it should only take you about 15 minutes by foot .
Person1: Thank you .

Output: 1

Input: Consider Input: Person1: Dave , wake up .
Person2: Which ? Zina ? What time is it ?
Person1: It's seven-thirty . I want to know who left this note on my desk .
Person2: What note ? I can't see . I just pulled an all-nighter .
Person1: It's a little green post-it note , stuck right in the middle of my computer screen .
Person2: And ? What does it say ? Isn't there a name ?
Person1: It says , Zina , I like how you rhumba . An admirer .

Output: 0

Input: Consider Input: Person1: Do you object to drinking black tea , Mr.Zhang ?
Person2: Yes , that is why I never drink it .
Person1: Do you drink green tea , then ?
Person2: Very seldom , because tea has tannin which may be harmful to one's health .
Person1: But if the tea is good and well prepared , it will do much good .
Person2: What good is it for ?
Person1: Not only can it appease one's thirst , but it can also refresh one when tired .
Person2: That's true , but it must not be allowed to stand long .
Person1: Why is it so ?
Person2: Because if you drink a kind of tea which has been prepared for some time before , it will do you harm .
Output: 1