A group may receive permission from an (air force).Logical formLearned from13 sentences. A group may receive permission.Logical formLearned from13 sentences. A permission may pertain-to regulators.Logical formLearned from13 sentences. Utilities may win permission.Logical formLearned from13 sentences. A US-president may request permission.Logical formLearned from13 sentences. A permission may pertain-to a subscriber.Logical formLearned from13 sentences. Return can be for (government permission).Logical formLearned from13 sentences. A male may write permission.Logical formLearned from13 sentences. A country may withheld permission.Logical formLearned from13 sentences. A national-agency may give permission.Logical formLearned from13 sentences. Permission can be from a country.Logical formLearned from13 sentences. Permission can be from (city authorities).Logical formLearned from13 sentences. Permission can be from a chinese government.Logical formLearned from13 sentences. Some persons may apply for permission.Logical formLearned from13 sentences. Permission can be to (military aircraft).Logical formLearned from13 sentences.