Ammonites can be extinct.Logical formLearned from9 sentences. A horse can be extinct.Logical formLearned from8 sentences. A (language family) can be extinct.Logical formLearned from8 sentences. Some others can be extinct.Logical formLearned from8 sentences. A chain can be constituted-of-or-filled-with extinct volcanoes.Logical formLearned from8 sentences. Rodents can be extinct.Logical formLearned from8 sentences. A male line may go extinct.Logical formLearned from8 sentences. A cinder can be extinct.Logical formLearned from8 sentences. A radionuclide can be extinct.Logical formLearned from8 sentences. A family can be constituted-of-or-filled-with extinct mammals.Logical formLearned from8 sentences. An italic language can be extinct.Logical formLearned from8 sentences. Miseries can be extinct.Logical formLearned from8 sentences. Groups may go extinct.Logical formLearned from8 sentences. Some varieties can be extinct.Logical formLearned from8 sentences. Cows can be extinct.Logical formLearned from8 sentences.