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: Bob's sister will go to America .
Person2: Why tell me ? She has nothing to do with me !
Person1: I thought you wanted to know more about her .
Person2: No , I couldn't care less !
Example Output: 0

Example Input: Person1: Do you know how to go to the Fragrant Hills in Beijing ? I heard that they are very famous in China .
Person2: Yes . Especially in autumn , the red leaves of the maple trees make the whole mountain red .
Person1: That must be very beautiful .
Person2: Yes , it can make people feel as if they were in the land of fairies .
Person1: Really ? Have you ever been there ?
Person2: A couple of times .
Person1: Can you go there with me ? I'd like someone who is familiar with that area to go with me .
Person2: Sure . I'd be very glad to be your tour guide .
Example Output: 1

Example Input: Person1: Excuse me , do you know where the visa office is ?
Person2: Yes , I do . I ' ll walk you there .
Person1: Thanks .
Person2: Are you applying to study or work abroad ?
Person1: I want to study abroad .
Person2: What do you want to study ?
Person1: I hope to study English Literature .
Person2: Have you got your visa yet ?
Person1: Not yet . I have an interview with a visa official today .
Person2: I see.Is it your first interview ?
Person1: No , I ' Ve already been here for 3 interviews .
Example Output:
1