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: 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 .
Example Output: 1

Example Input: Person1: Excuse me . Is anyone sitting here ?
Person2: No , nobody .
Person1: You don ' t mind if I smoke , do you ?
Person2: Well , to be frank , yes , I do .
Person1: Oh , I ' m sorry . But this isn ' t a no-smoker , isn ' t it ? I mean would you mind if I smoke here ?
Person2: Actually it is . Perhaps you haven ' t noticed the sign .
Person1: Sign ? What ' s sign ?
Person2: There , on the window .
Person1: Oh , sorry . I didn ' t notice it . Sorry .
Person2: That ' s all right .
Example Output: 1

Example Input: Person1: Welcome to IBA . What can we do for you ?
Person2: It's a bit of a problem situation , actually ... you see , our company has a Corporate Account with you , but unfortunately , we've been experiencing cash flow problems recently .
Person1: I'm sorry to hear that . We value all of our customers , regardless of circumstances . What can we do to help ?
Person2: We are going to need a loan . I'm not sure what loan is suitable for us , though .
Person1: If you think it will be very short-term , I would recommend you go with the 60 - day loan . Then it can be paid back quicker , so you won't have to consider it in the future .
Person2: That seems like a good idea , it's for wages , you see .
Example Output:
1