A boat may sink off a coast of a country.Logical formLearned from23 sentences. Ferry may sink.Logical formLearned from23 sentences. A country may sink in a storm.Logical formLearned from23 sentences. A female may sink fangs.Logical formLearned from22 sentences. A floor may sink.Logical formLearned from22 sentences. A price may sink.Logical formLearned from22 sentences. Sterling may sink to a low.Logical formLearned from22 sentences. A male may sink into sleep.Logical formLearned from22 sentences. Some battleships may be sunken.Logical formLearned from22 sentences. A voice may sink to a whisper.Logical formLearned from22 sentences. A torpedo may sink a (warship cheonan).Logical formLearned from22 sentences. A warship may be sunken.Logical formLearned from22 sentences. A country may sink a warship.Logical formLearned from22 sentences. Corn may sink.Logical formLearned from22 sentences. A world-city may be sunken.Logical formLearned from22 sentences.