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 Q]: Person1: There are so many environment problems in the world today . Do you think we can really solve them all or will destroy the world ?
Person2: I hope that world leaders can get together and agree on a plan of action , but I doubt it ' ll happen before it ' s too late .
Person1: We need to solve the problem of air pollution before we destroy the atmosphere . There ' s lots of clean , modern technology , but companies in developed countries say it ' s expensive . Developing countries
Person2: Everyone is looking at the issue in the short term , rather than the long term . It ' s the same with the destruction of the rainforests . Countries and companies just want the wood . They ' re not thinking a
Person1: In other parts of the world , especially in Africa , there is a problem with desertification . Climate change and over-farming are causing farmland to turn into desert . In means that people cannot grow e
Person2: It also means that people sometimes fight over the farmland that remains . Damaging the environment actually leads to conflict between people .
Person1: Have you ever thought about joining an organization committed to protecting the environment ? You could get involved with projects to improve the environment .
Person2: I think I ' d like to do that . I could take the things I learn here back to my country when I have finished my studies .
[EX A]: 1

[EX Q]: Person1: Hello , can I speak to Alice , please ?
Person2: Hold on , please .
Person1: Thank you .
Person2: Sorry , but she ' s out .
Person1: Could you tell her Tom Green called ?
Person2: I ' d be glad to .
[EX A]: 0

[EX Q]: Person1: What's Ron Marston like , Pauline ?
Person2: He's awful ! He telephoned me four times yesterday , and three times the day before yesterday . He telephoned the office yesterday morning and yesterday afternoon . My boss answered the telephone .
Person1: What did your boss say to him ?
Person2: He said , Pauline is typing letters . She can't speak to you now ! " Then I arrived home at six o'clock yesterday evening . He telephoned again . But I didn ' t answer the phone !
Person1: Did he telephone again last night ?
Person2: Yes , he did . He telephoned at nine o'clock .
Person1: What did you say to him ?
Person2: I said , This is Pauline's mother . Please don ' t telephone my daughter again !
Person1: Did he telephone again ?
Person2: No , he didn't !
[EX A]:
1