A (sentiment index) may show optimism.Logical formLearned from4 sentences. An optimism can be about an election.Logical formLearned from4 sentences. Some factor can be an optimism.Logical formLearned from4 sentences. An optimism can be about technology.Logical formLearned from4 sentences. Optimism can be on a part of investors.Logical formLearned from4 sentences. Optimism may be sparked by a drop.Logical formLearned from4 sentences. An optimism may pertain-to 90s.Logical formLearned from4 sentences. An optimism can be for a season.Logical formLearned from4 sentences. Eye can be with optimism.Logical formLearned from4 sentences. A light can be constituted-of-or-filled-with optimism.Logical formLearned from4 sentences. Optimism may be based in part.Logical formLearned from4 sentences. A male may be filled with an optimism.Logical formLearned from4 sentences. An optimism can be excited.Logical formLearned from4 sentences. An optimism may be deflated.Logical formLearned from4 sentences. An optimism can be high-minded.Logical formLearned from4 sentences.