(Class frigates) can be advanced.Logical formLearned from2 sentences. (Knox-class frigates) may pertain-to a country.Logical formLearned from2 sentences. A frigate may run into a reef.Logical formLearned from2 sentences. A (navy frigate) may be loaded with some persons.Logical formLearned from2 sentences. A (navy frigate) may be loaded with some refugees.Logical formLearned from2 sentences. A country may earmark some frigates.Logical formLearned from2 sentences. Officials may work from a (fast frigate).Logical formLearned from2 sentences. Information can be about a frigate.Logical formLearned from2 sentences. A frigate may rescue some yachtsmen from waters.Logical formLearned from2 sentences. A team can be from a guided-missile frigate.Logical formLearned from2 sentences. A skipper may pertain-to a frigate.Logical formLearned from2 sentences. A country may commission a frigate.Logical formLearned from2 sentences. Some (missile frigates) may be ordered from a country.Logical formLearned from2 sentences. (Missile frigates) can be high-tech.Logical formLearned from2 sentences. (Frigate no. 356s) can be retired.Logical formLearned from2 sentences.