(Investor optimism) can be for an economy.Logical formLearned from4 sentences. An optimism can be about a fact.Logical formLearned from4 sentences. A person may share an optimism of some specialists.Logical formLearned from4 sentences. An optimism may be reduced.Logical formLearned from4 sentences. Sources may pertain-to an optimism.Logical formLearned from4 sentences. Prices may rise on optimism.Logical formLearned from4 sentences. Optimism can be about stability.Logical formLearned from4 sentences. An optimism may regard progress.Logical formLearned from4 sentences. Optimism can be in recovery.Logical formLearned from4 sentences. An optimism may pertain-to a who.Logical formLearned from4 sentences. Optimism can be over (peace talks).Logical formLearned from4 sentences. An index of (business optimism) may rise.Logical formLearned from4 sentences. A cloud can be constituted-of-or-filled-with optimism.Logical formLearned from4 sentences. Optimism can be in reforms.Logical formLearned from4 sentences. A general may express optimism.Logical formLearned from4 sentences.