Some orders can be extinct.Logical formLearned from3 sentences. A (dodo bird) can be extinct.Logical formLearned from3 sentences. A forever. can be extinct.Logical formLearned from3 sentences. (Sea creatures) can be extinct.Logical formLearned from3 sentences. A gopher can be extinct.Logical formLearned from3 sentences. Frogs may be presumed extinct.Logical formLearned from3 sentences. A group can be extinct.Logical formLearned from3 sentences. A type of galaxy may go extinct.Logical formLearned from3 sentences. A beast can be extinct.Logical formLearned from3 sentences. Some species may be feared extinct.Logical formLearned from3 sentences. A whale can be extinct.Logical formLearned from3 sentences. A race of caliphs can be extinct.Logical formLearned from3 sentences. (Comet nuclei) can be extinct.Logical formLearned from3 sentences. A faction can be extinct.Logical formLearned from3 sentences. Air can be extinct.Logical formLearned from3 sentences.