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'.

Ex Input:
Person1: What ' s the plot of your new movie ?
Person2: It ' s a story about a policemen who is investigating a series of strange murders . I play the part of the detective . He has to catch the killer , but there ' s very little evidence . It ' s a psychological thriller with some frightening scenes , but I hope audience won ' t be too scared to go to the movie theatres !
Person1: Did you enjoy making the movie ? We heard stories of disagreement with other actors and with the director .
Person2: I have had disagreement with every director . I ' Ve worked with . We ' Ve always disagreed in a friendly way and we have always resolved our differences . It was the same when I made this movie . I don ' t know where rumours of my disagreement with Rachel Kelly come from . We got on very well and I hope to work with her again . I enjoyed making the movie very much .
Person1: Critics are not very happy with the movies that you ' Ve made recently . Does that bother you ?
Person2: Not at all . The feedback from audience has been great . I care about what they think more than what the critics think .
Person1: Did you do you own stunts in the movie ?
Person2: I wanted to , but my insurance company wouldn ' t let me . All of my stunts were done by a stuntman . As you know , I used to do my own stunts , but I ' ll leave that to the experts in future .
Person1: Thank you very much for doing this interview .
Person2: My pleasure . Have you seen the movie yet ?
Person1: Yes . I have . I liked it very much . Like you , I was very impressed with Rachel ' s performance in the movie . She ' s going to be a star .

Ex Output:
1

Ex Input:
Person1: How long have you been in this company ?
Person2: I came two years ago after I graduated from college . This is my first job .
Person1: You must have found much difference between working in company and studying in college .
Person2: Of course ! Everyday , there is a deadline to meet . Bosses watching and testing me all the time , not liking in college , handed in paper months later and tested on schedule . It is so busy . But anyway , I have trying my best to be a good employee .
Person1: Well , you ' Ve adapted yourself very well . Everyone in our office thinks you ' Ve made a great progress in the past two years . What is your secret ?
Person2: It is so encouraging to hear this remark . The secret is to make plans . Write down your goals , short-term and long-term and make detail plans for a week or a month . Then just work hard .

Ex Output:
1

Ex Input:
Person1: Fair-Priced Fares , how may I help you ?
Person2: How much is a round-trip ticket to London ?
Person1: When did you plan to go , sir ?
Person2: In the second week of September .
Person1: The second week of September is still in the high-season , so the cheapest tickets are $ 650 . The high season lasts until the 15th , so fares after that date are cheaper .
Person2: In that case , I'll go after the 15th . How much are the off-season fares ?
Person1: Our cheapest ticket is $ 550 on American Airlines .
Person2: Okay , I'll take it . ( to be continued )

Ex Output:
1