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 upsets you ?
Person2: My parents called . As usual , they reminded me again that I should have a plan to marry by my late 20s.Easier set than done . Who should I marry ? I have no time to go on a date .
Person1: It is not your mother finding one for you ?
Person2: I will find one myself , of course . I ' m a modern girl .
Person1: Perhaps you can try the three minutes date , the latest type .
Person2: You mean dozens of the opposite sex meet each other for three minutes in a dimly bar serving alcohol , I hate that idea .
Person1: No , there is an updated version , three minutes video date . I know an online dating website providing such service with a microphone and webcam , you can sigh for it . You can be face-to-face with a guy talking for maximum three minutes .
Person2: I don ' t think it makes sense . Three minutes is such a short time .
Person1: I think you can find out if there is a possibility of romance within the first second of meeting someone , so-called love at first sight .
Person2: Anyway , I don ' t want to post my face up for sale on the internet like that .
Person1: Don ' t worry . There are many other options using the internet as dating methods . Some sites operate at international standard even have got certifications .
Person2: Of course , for these sites , you have to pay a membership fee . But all in all , it is more serious and professional . The chance of meeting a good and serious person who does not play games is higher .
Person1: I don ' t want to post my personal information on the internet . I ' m not knowing who is reading it .
Example Output: 1

Example Input: Person1: There is a new restaurant opening up in town next month .
Person2: What kind of food will they be serving ?
Person1: My favorite , Mexican . And I've heard that the head chef is from San Paulo .
Person2: It sounds like this is going to be authentic Mexican food .
Person1: I can hardly wait !
Person2: Do you know the day they plan to open ?
Person1: I'll double check the announcement .
Person2: Maybe we can make reservations ahead of time ?
Example Output: 0

Example Input: Person1: Hi , Dave . This is Zina .
Person2: Zina ? Zina the Snake ?
Person1: I got your e-mail a couple of months back .
Person2: Yeah ? Which one was that ?
Person1: The one that said , You're a creep . From me you won't hear another peep . I hope you wreck your jeep .
Person2: Right . That one . Did it work ?
Example Output:
0