Upgrades may be performed.Logical formLearned from22 sentences. An upgrade may pertain-to a service.Logical formLearned from22 sentences. A version may pertain-to an upgrade.Logical formLearned from22 sentences. An upgrade may take place.Logical formLearned from22 sentences. Upgrades may be improved.Logical formLearned from22 sentences. A need can be for an upgrade.Logical formLearned from22 sentences. An upgrade may be released.Logical formLearned from22 sentences. An investigation can be into a (counterterrorism database software upgrade).Logical formLearned from22 sentences. Upgrades can be fancy.Logical formLearned from22 sentences. Upgrades can be to facilities.Logical formLearned from22 sentences. Upgrades can be forced.Logical formLearned from22 sentences. Upgrades may include search.Logical formLearned from22 sentences. An upgrade can be required.Logical formLearned from22 sentences. An upgrade can be amazing.Logical formLearned from22 sentences. An upgrade can be for registered users.Logical formLearned from22 sentences.