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: Oh , hi , Lily . When did you get back from Canada ?
Person2: Just last week .
Person1: How was it ?
Person2: Oh , I loved it . I only visited a couple of cities , you know . But I had a great time .
Person1: Well , tell me . What are they like ?
Person2: They ' re nice .

Ex Output:
1

Ex Input:
Person1: Good morning Mike !
Person2: Morning Sally ! What's up ? you seem in a hurry !
Person1: I am having an exam at nine , It's already eight thirty .
Person2: Don't worry , I'll drive you .
Person1: Thank you very much !
Person2: How are your cases coming along ?
Person1: Very well , thanks , I will probably finish next week , but this is still a lot of work , I have been worked on in for six months , and i ' m so closed to end . I can feel it .
Person2: Wow , Good for you.It sounds like a lot of work . I'm proud of you ! Is this the right building ?
Person1: Yes , It's only eight forty . Thanks so much !
Person2: You're welcome.Good luck , bye !
Person1: Have a nice day , bye !

Ex Output:
0

Ex Input:
Person1: Oh , boy , I hate to say this , but I really have to leave now .
Person2: That ' s all right . I understand .
Person1: I ' m so sorry .
Person2: That ' s ok . Don ' t be sorry . We ' ll talk later .

Ex Output:
0