An optimist can be cheerful.Logical formLearned from9 sentences. Optimists may concede that something-is-the-case.Logical formLearned from9 sentences. Optimists may finish.Logical formLearned from9 sentences. An optimist may take economic-growth rates of developing countries.Logical formLearned from9 sentences. Optimists can be with rulers.Logical formLearned from9 sentences. Optimists may break rulers.Logical formLearned from9 sentences. Optimists can be with rulers.Logical formLearned from9 sentences. An opportunity may be seen by optimists.Logical formLearned from9 sentences. An optimist may be armed with a ruler.Logical formLearned from9 sentences. An optimist may think.Logical formLearned from9 sentences. An optimist can be guarded.Logical formLearned from9 sentences. Optimists may be expected.Logical formLearned from9 sentences. A person can be enough of an optimist.Logical formLearned from8 sentences. Optimists can be proactive.Logical formLearned from8 sentences. Optimists may think that something-is-the-case.Logical formLearned from8 sentences.