A captain may pertain-to a frigate.Logical formLearned from6 sentences. A carrier may be accompanied by a frigate.Logical formLearned from6 sentences. Frigates can be built.Logical formLearned from6 sentences. A frigate may dispatch a helicopter.Logical formLearned from6 sentences. A frigate may attack a (pirate ship).Logical formLearned from6 sentences. A frigate may moor.Logical formLearned from6 sentences. Frigates can be to a country.Logical formLearned from6 sentences. A country may purchase some frigates.Logical formLearned from6 sentences. A collision may damage a frigate.Logical formLearned from6 sentences. Frigates can be used.Logical formLearned from6 sentences. A country may deploy some frigates.Logical formLearned from6 sentences. A total can be constituted-of-or-filled-with some frigates.Logical formLearned from6 sentences. Some frigates may be built.Logical formLearned from6 sentences. A frigate can be with some (crew members).Logical formLearned from5 sentences. A frigate may go on a month.Logical formLearned from5 sentences.