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: good afternoon ! Can I help you ?
Person2: could you show me where the Chinese-style clothing is located ? I want to buy a silk coat .
Person1: this way , please . Here they are . They're all handmade .
Person2: oh , they look nice . May I try that back one on ?
Person1: of course . The fitting room is right over there .
Person2: do you have a medium in the same color ? This one is a little tight .
Person1: I'm sorry . All the back of that size are sold out . Would you like a red one ?
Person2: ok , let me try it on . what do you think ?
Person1: oh , that suits you very well . Besides it is believed in China that the red color brings happiness and good luck .
Person2: really ? I'll take it , and I'm leaving here tomorrow . Is it possible for you to send one in black to me by mail when you gte it in ?
Person1: our pleasure . Please fill out this form , leaving your address and telephone number .
Person2: thanks . Who much would that come to ?
Person1: let me see ...
Example Output: 1

Example Input: Person1: I'm looking for a pan I can use in my kitchen .
Person2: What size pan were you thinking of ?
Person1: I've already got a small pan . I need a big one .
Person2: Well , this one might work for you .
Person1: Oh , no , that's way too heavy a pan for me .
Person2: Here , lift this aluminum pan . It's the same size .
Person1: Yes , it's very lightweight . But I don't want this aluminum handle .
Person2: Here's a similar aluminum pan . But it has a heat-resistant handle .
Person1: Oh , this feels very nice . It's perfect . I'll take it .
Person2: I knew we'd find the right pan sooner or later . How would you like to pay ?
Person1: Cash . But first , I need a lid for this pan .
Person2: Oh , no problem . Here's the lid that comes with the pan .
Example Output: 0

Example Input: Person1: I need some books on hardware .
Person2: There's many books here.What about these ?
Person1: Great ! They're the very books I want.May I borrow two books ?
Person2: Sure.But you can only keep them for a week .
Person1: I see.Thank you .
Example Output:
0