A center may pertain-to a strategy.Logical formLearned from152 sentences. A strategy can be for the future.Logical formLearned from151 sentences. A strategy can be on a country.Logical formLearned from148 sentences. Strategies can be positive.Logical formLearned from147 sentences. A strategy can be evolutionary.Logical formLearned from147 sentences. Strategies can be for improvement.Logical formLearned from146 sentences. A strategy can be agreed.Logical formLearned from146 sentences. An (exit strategy) can be from a country.Logical formLearned from146 sentences. A strategy can be flexible.Logical formLearned from145 sentences. A (campaign strategy) may pertain-to a US-president.Logical formLearned from145 sentences. A strategy may help.Logical formLearned from145 sentences. Strategies may be implemented.Logical formLearned from145 sentences. An (energy strategy) may pertain-to a country.Logical formLearned from144 sentences. A strategy can be in place.Logical formLearned from143 sentences. A key can be to a strategy.Logical formLearned from143 sentences.