White rhinos can be extinct.Logical formLearned from4 sentences. An aboriginal language can be extinct.Logical formLearned from4 sentences. A plant may be feared extinct.Logical formLearned from4 sentences. An owl can be extinct.Logical formLearned from4 sentences. Bats can be extinct.Logical formLearned from4 sentences. Species can be extinct in a country.Logical formLearned from4 sentences. Penguins can be extinct.Logical formLearned from4 sentences. A shrew can be extinct.Logical formLearned from4 sentences. (Sloth lemurs) can be extinct.Logical formLearned from4 sentences. A butterfly can be extinct.Logical formLearned from4 sentences. An institution can be extinct.Logical formLearned from4 sentences. A title may go extinct.Logical formLearned from4 sentences. Ammonites can be extinct.Logical formLearned from4 sentences. (Fossil species) can be extinct.Logical formLearned from4 sentences. A cartilaginous fish can be extinct.Logical formLearned from4 sentences.