Optimism may wane.Logical formLearned from49 sentences. An optimism can be tempered.Logical formLearned from48 sentences. Optimism can be for earnings.Logical formLearned from48 sentences. Leaders may express optimism.Logical formLearned from48 sentences. An optimism can be wary.Logical formLearned from48 sentences. An optimism can be qualified.Logical formLearned from48 sentences. Optimism can be about talks.Logical formLearned from47 sentences. Optimism can be about inflation.Logical formLearned from47 sentences. Optimism can be for (interest rates).Logical formLearned from47 sentences. An optimism can be innate.Logical formLearned from47 sentences. Optimism can be over prospects.Logical formLearned from47 sentences. An optimism can be exaggerated.Logical formLearned from47 sentences. A world-city may voice optimism.Logical formLearned from47 sentences. An optimism can be irrational.Logical formLearned from46 sentences. Grounds can be for optimism.Logical formLearned from46 sentences.