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: Have you ever been to Britain ?
Person2: Oh yes , I ' Ve been to Britain many times . I go there on business .
Person1: Really ? How often do you go there ?
Person2: Usually , I go to London twice a year but sometimes I go three or four times a year .
Person1: Do you always go on business or do you sometimes go for a holiday ?
Person2: I ' m afraid I never go for a holiday . It ' s always business .

Ex Output:
1

Ex Input:
Person1: Are you sure Lucy has it bad for you ? If she does , she will certainly bend over backwards for you . But if she doesn't , it would be a job to change her .
Person2: I don't know whether she has it bad for me , but she enjoys being with me .
Person1: And do you really love her ?
Person2: I think I do . I don't think I can be happier with another girl .

Ex Output:
1

Ex Input:
Person1: Excuse me , Alex ?
Person2: What can I do for you , Kim ?
Person1: I was wondering if you could get together with me to go over the payroll .
Person2: Sure , anytime .

Ex Output:
1