Optimism may spring eternal.Logical formLearned from9 sentences. Policymakers may express optimism.Logical formLearned from9 sentences. Concern may outweigh optimism.Logical formLearned from9 sentences. Shares of companies may rise on optimism.Logical formLearned from9 sentences. A pessimism can be a (mirror image) of an optimism.Logical formLearned from9 sentences. A messenger can be constituted-of-or-filled-with optimism.Logical formLearned from9 sentences. Optimism can be in blood.Logical formLearned from9 sentences. A sign can be for optimism.Logical formLearned from9 sentences. (Business optimism) can be about a military junta.Logical formLearned from9 sentences. (Business optimism) may be mistakened.Logical formLearned from9 sentences. A (mirror image) may pertain-to an optimism.Logical formLearned from9 sentences. Part can be on optimism.Logical formLearned from9 sentences. A string of sales may report optimism.Logical formLearned from9 sentences. Optimism can be among (business leaders).Logical formLearned from9 sentences. Shares may rally on optimism.Logical formLearned from9 sentences.