A brand can be constituted-of-or-filled-with optimism.Logical formLearned from4 sentences. A boost can be in optimism.Logical formLearned from4 sentences. Optimism can be at progress.Logical formLearned from4 sentences. An economic survey may show optimism.Logical formLearned from4 sentences. Optimism can be in a (technology sector).Logical formLearned from4 sentences. Optimism can be for some weightlifter.Logical formLearned from4 sentences. Optimism may fades that something-is-the-case.Logical formLearned from4 sentences. An optimism may spur a rally on a road.Logical formLearned from4 sentences. Countries may express optimism.Logical formLearned from4 sentences. An optimism may hold for a (car business).Logical formLearned from4 sentences. A friend may express optimism.Logical formLearned from4 sentences. An optimism can be over a start of talks.Logical formLearned from4 sentences. An optimism may be tempered with nervousness.Logical formLearned from4 sentences. Investors may have a surge of optimism.Logical formLearned from4 sentences. Optimism can be in a poll.Logical formLearned from4 sentences.