Optimism can be about islands.Logical formLearned from8 sentences. A male may speak with optimism.Logical formLearned from8 sentences. Polls may show optimism.Logical formLearned from8 sentences. An optimism can be justifiable.Logical formLearned from8 sentences. An excess can be constituted-of-or-filled-with optimism.Logical formLearned from8 sentences. An optimism may be based on a belief.Logical formLearned from8 sentences. Optimism can be about technology.Logical formLearned from8 sentences. Some causes can be for optimism.Logical formLearned from8 sentences. An optimism may stem from a belief.Logical formLearned from8 sentences. A lieutenant may express optimism.Logical formLearned from8 sentences. Some observers may express optimism.Logical formLearned from8 sentences. An optimism may waver.Logical formLearned from8 sentences. An optimism can be about a continent.Logical formLearned from8 sentences. Optimism can be about a future.Logical formLearned from8 sentences. A key can be to optimism.Logical formLearned from8 sentences.