A country may send a frigate to waters.Logical formLearned from4 sentences. A (navy frigate) can be rusty.Logical formLearned from4 sentences. Some helicopters can be for (navy frigates).Logical formLearned from4 sentences. A frigate may be supported.Logical formLearned from4 sentences. A country may dispatch a frigate to a coast.Logical formLearned from4 sentences. A (navy frigate) may be armed with missiles.Logical formLearned from4 sentences. A frigate may veer.Logical formLearned from4 sentences. An (aircraft carrier) may be accompanied by a frigate.Logical formLearned from4 sentences. A frigate may make a call.Logical formLearned from4 sentences. A frigate may be dispatched by a world-city.Logical formLearned from4 sentences. Frigates may patroll (shipping lanes).Logical formLearned from4 sentences. A helicopter may pertain-to a frigate.Logical formLearned from4 sentences. A frigate may be headed in a direction.Logical formLearned from4 sentences. A frigate may send a helicopter.Logical formLearned from4 sentences. A frigate may chase pirates.Logical formLearned from4 sentences.