A zoo can be extinct.Logical formLearned from2 sentences. Clades can be extinct.Logical formLearned from2 sentences. A majority of populations can be extinct.Logical formLearned from2 sentences. A branch may go extinct.Logical formLearned from2 sentences. An equine can be extinct.Logical formLearned from2 sentences. (Life forms) can be extinct.Logical formLearned from2 sentences. Albatrosses can be extinct.Logical formLearned from2 sentences. A seymouriamorph can be extinct.Logical formLearned from2 sentences. Branches can be extinct.Logical formLearned from2 sentences. An area can be constituted-of-or-filled-with extinct volcanoes.Logical formLearned from2 sentences. A macaw can be extinct.Logical formLearned from2 sentences. Therocephalians can be extinct.Logical formLearned from2 sentences. Tetrapods can be extinct.Logical formLearned from2 sentences. An (era village) can be extinct.Logical formLearned from2 sentences. A sarcopterygian can be extinct.Logical formLearned from2 sentences.