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'.

[Q]: Person1: Hello ?
Person2: Hi , David . You are very difficult to reach . I called several times . But I kept getting a busy signal . Is your phone out of order ?
Person1: No , not out of order . But we seem to have a bad connection on the phone line . I can ' t hear you clearly .
Person2: Ok . Let me call you later . Is that okay ?
Person1: Sure . Thanks .
[A]: 1

[Q]: Person1: Hello , my name is Bill Martin and we have a reservation for party tonight .
Person2: Yes , what can I do for you ?
Person1: I need to cancel that . We have had a last minute change of plans .
Person2: I see . Would you like me to reschedule you for another night ?
Person1: OK , we will let you know as early as possible . By the way , will we be able to get a refund on this cancellation ?
Person2: Certainly .
Person1: Thank you very much .
Person2: That's all right . I hope we can help you at some other time . Good-bye .
Person1: Good-bye .
[A]: 0

[Q]: Person1: Can you tell me the time ? I've got an appointment at 8: 30 .
Person2: It's 8 sharp by my watch .
Person1: Gee ! There's only thirty minutes to go .
[A]:
1