(Class frigates) may undergo a delivery.Logical formLearned from4 sentences. A frigate may visit a world-city.Logical formLearned from4 sentences. A (class frigate) may pertain-to a military-commander.Logical formLearned from4 sentences. A frigate may carry some men.Logical formLearned from4 sentences. A batch can be constituted-of-or-filled-with some frigates.Logical formLearned from3 sentences. Frigates may participate in missions.Logical formLearned from3 sentences. A (missile frigate) may undergo a rotation.Logical formLearned from3 sentences. A frigate may be dedicated to escorting ships.Logical formLearned from3 sentences. Frigates may provide escorts.Logical formLearned from3 sentences. A country may send a frigate with some personnel.Logical formLearned from3 sentences. A guided-missile frigate may be designed.Logical formLearned from3 sentences. A frigate may leave for a country.Logical formLearned from3 sentences. A country may dispatch a frigate.Logical formLearned from3 sentences. A flotilla may comprise some frigates.Logical formLearned from3 sentences. A frigate can be in a military-or-other-action-organization.Logical formLearned from3 sentences.