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: Excuse me , Ma ' am . I would like to mail this package door to door via airmail to London . It is a very important package and has to be sent within 3 days .
Person2: No problem . But , the postage is much higher than the regular package .
Person1: That's fine with me . I am willing to pay for it as long as you can guarantee me the package can arrive in time .
Person2: OK . All the registered airmail packages can be received in 5 working days .
Person1: I see . How much do I need to pay in total for this package ?
Person2: It's 500 dollars .
Person1: Can I have the receipt ? Just in case I can trace it if something goes wrong .
Person2: Sure ! Please just fill in your I . D . number and ways to contact you here .
Person1: Do I need to include my zip code in the address ?
Person2: You had better include that because it is easier for the mailmen to find the correct mailing address .
Person1: Thank you very much . Here is 500 dollars .
Person2: Here is your receipt . Contact us if your friend still doesn't receive the package after 5 work days .

Ex Output:
0

Ex Input:
Person1: Have you had any kind of punishment in your college ?
Person2: Yes , but it was many years ago .
Person1: What was it for ?
Person2: I was a naughty boy and I played hooky . So the school gave me a punishment to clear the classroom for a week .

Ex Output:
1

Ex Input:
Person1: Dad , you keep talking about family in New Zealand . Who are they ?
Person2: Well , that's your uncle Bill , his wife and two of their daughters .
Person1: Is uncle Bill your brother ?
Person2: No , your uncle Jack is my brother , Bill is my brother-in-law , your mom's brother .
Person1: So his two daughters are my cousins ?
Person2: That's right , Sarah and Jane are both your cousins although they are step-sisters .
Person1: What are step-sisters ?
Person2: Sarah is your uncle Bill's older daughter . When she was young , Bill's first wife , Sarah's mom died . Three years later Bill married again .
Person1: So uncle Bill's wife is Jane's mother but not Sarah's mother . Right ?
Person2: Yes . She is Sarah's step-mother .
Person1: And when are they coming to visit us ?
Person2: They want to travel to Europe next year , and will visit us at the same Ae .

Ex Output:
1