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: This is our main service area . We do all the routine services here and have two full-time mechanics .
Person2: How often do you service the vans ?
Person1: They're serviced regularly . We give them a basic service every 10,000 km or so and a main service once a year , or every 100,000 km .
Person2: I see . What does the service involve ?
Person1: Well , the same as for private vehicles really , but we do it more often because they get a lot of wear and tear .
Person2: Can you carry out major repairs here ?
Person1: Yes , we've got all the necessary equipment . We can give the engines a major overhaul . If there's a serious problem , we strip down the engine and find the faulty component . Would you like to look around ?

Ex Output:
0

Ex Input:
Person1: How may I help you ?
Person2: I need to return these books .
Person1: Give them here .
Person2: Here they are .
Person1: It appears these books are two weeks late .
Person2: I forgot they were due .
Person1: You do realize you are going to have to pay late fees , right ?
Person2: How much is the late fee ?
Person1: The late fee is 25 cents a day .
Person2: So I have to pay 25 cents for each day the books are late ?
Person1: It ' s 25 cents for each book .
Person2: That ' s a lot of money .

Ex Output:
1

Ex Input:
Person1: May I help you ?
Person2: I would like to return this book .
Person1: May I do anything else for you ?
Person2: I would also like to check out these books .
Person1: Will that be all ?
Person2: That ' s it .
Person1: Do you have your library card ?
Person2: Oh , yeah . Here you go .
Person1: Will that be all for today ?
Person2: That ' ll be all .
Person1: These books are due back in two weeks .
Person2: Thanks . Have a good one .

Ex Output:
1