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: Ladies and gentlemen , welcome to tonight's fashion show .
Person2: We see you are all dressed to the nines .
Person1: How very appropriate , because tonight we have a most dazzling show for you !
Person2: Yes , this runway is going to sparkle with glamour and style !
Person1: Some of tonight's highlights are dressed in the latest straight from Shanghai .
Person2: And others directly from New York .
Person1: So , sit back and relax and get your order forms ready .
Person2: Because you're going to love this show !
Example Output: 0

Example Input: Person1: Did Bean send these dirty jokes to you , too ? Look !
Person2: What a creep ! Phony good luck e-mails are one thing , but sexual harassment is crossing the line .
Person1: No wonder he asked for my address first-he just wants to harass me !
Person2: You could try using a spam filter to reject stuff that's obviously pornographic or anything else you don't want .
Example Output: 1

Example Input: Person1: What courses are you taking ?
Person2: Chinese , maths , English , chemistry , physics , biology and so on .
Person1: What do you think about the teachers ?
Person2: To be honest , I like most of them , except for my Chinese teacher . She is quite young , but her class is too boring !
Person1: That's too bad . Do you have any foreign teachers ?
Person2: Yes , my oral English teacher is an American . He is from a small town in California .
Person1: What is he like ?
Person2: He is great . He always tells us not to study for exams , and to pay more attention to communication rather than just memorizing .
Person1: Are you able to follow him ?
Person2: Not everything , but nearly . He speaks very clearly .
Person1: Oh , that's good ! He sounds like a good teacher .
Person2: Absolutely ! If you come to our class , I am sure you will like him .
Example Output:
1