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Frank said that they had had an ecology class and discussed different environmental problems the day before.
Chris said that they were the most important problems those days.
Frank thought that many people understood they should protect...
Chris asked if they really understood that.
Chris said that he was not quite sure, because factories dumped...
Frank said it was true.
Frank said that yet more and more people fought against nuclear tests...
Chris asked if people would win and when they would win those battles.
Frank said Chris not to lose hope and hope for the best.