A (multipurpose frigate) can be built.Logical formLearned from3 sentences. A frigate may be diverted from operations.Logical formLearned from3 sentences. A frigate may operate under command.Logical formLearned from3 sentences. A (destroyer and frigate) may pertain-to a country.Logical formLearned from3 sentences. Some commandos can be on some frigates.Logical formLearned from3 sentences. A guided-missile frigate can be among ships.Logical formLearned from3 sentences. A guided-missile frigate can be among ships.Logical formLearned from3 sentences. A country may contribute a frigate.Logical formLearned from3 sentences. A frigate may sail toward a ship.Logical formLearned from3 sentences. A (navy frigate) may receive an (emergency call).Logical formLearned from3 sentences. A country may send a (missile frigate).Logical formLearned from3 sentences. A frigate may be expected within days.Logical formLearned from3 sentences. A frigate may head to an area.Logical formLearned from3 sentences. Frigates may provide security.Logical formLearned from3 sentences. A frigate may approach a freighter.Logical formLearned from3 sentences.