Decades can be turbulent.Logical formLearned from178 sentences. Decades can be constituted-of-or-filled-with service.Logical formLearned from176 sentences. Some decades can be constituted-of-or-filled-with communism.Logical formLearned from176 sentences. A decade can be constituted-of-or-filled-with negotiations.Logical formLearned from175 sentences. A decade may undergo events.Logical formLearned from175 sentences. A decade may progress.Logical formLearned from174 sentences. A decade may begin.Logical formLearned from174 sentences. A drought can be in decades.Logical formLearned from173 sentences. A war can be in a decade.Logical formLearned from173 sentences. An economic crisis can be in some decades.Logical formLearned from171 sentences. Decades can be constituted-of-or-filled-with effort.Logical formLearned from170 sentences. A decade can be turbulent.Logical formLearned from169 sentences. Floods can be in decades.Logical formLearned from169 sentences. A decade may pertain-to an existence.Logical formLearned from169 sentences. Decades can be constituted-of-or-filled-with policies.Logical formLearned from167 sentences.