A world-city may display an optimism.Logical formLearned from4 sentences. An optimism may prove right.Logical formLearned from4 sentences. An optimism may be matched.Logical formLearned from4 sentences. Persons may pass from a period of optimism.Logical formLearned from4 sentences. Optimism can be through disillusion to a sense.Logical formLearned from4 sentences. Optimism can be at headquarters.Logical formLearned from4 sentences. An optimism may concern negotiations.Logical formLearned from4 sentences. Optimism can be about a prospect of a breakthrough.Logical formLearned from4 sentences. An optimism can be solid.Logical formLearned from4 sentences. Optimism can be for a rest of a year.Logical formLearned from4 sentences. A triumph may cause optimism.Logical formLearned from4 sentences. An optimism can be toward the future.Logical formLearned from3 sentences. Optimism can be on some side.Logical formLearned from3 sentences. Optimism may grow on easing a (debt crisis).Logical formLearned from3 sentences. An optimism can be reborn.Logical formLearned from3 sentences.