A dukedom can be extinct.Logical formLearned from32 sentences. Mammals can be extinct.Logical formLearned from32 sentences. Wolves can be extinct.Logical formLearned from32 sentences. Some languages can be extinct.Logical formLearned from31 sentences. Primates can be extinct.Logical formLearned from31 sentences. A member can be extinct.Logical formLearned from30 sentences. Persons may go extinct.Logical formLearned from30 sentences. Megafaunas can be extinct.Logical formLearned from29 sentences. A subfamily can be extinct.Logical formLearned from28 sentences. Faunas can be extinct.Logical formLearned from28 sentences. A tiger can be extinct.Logical formLearned from28 sentences. A branch can be extinct.Logical formLearned from27 sentences. Languages can be extinct.Logical formLearned from27 sentences. Animals may go extinct.Logical formLearned from27 sentences. A clade can be extinct.Logical formLearned from26 sentences.