A community can be extinct.Logical formLearned from8 sentences. A bear can be extinct.Logical formLearned from8 sentences. A lineage can be extinct.Logical formLearned from8 sentences. A (ground sloth) can be extinct.Logical formLearned from8 sentences. Some species of animals can be extinct.Logical formLearned from8 sentences. Families can be extinct.Logical formLearned from8 sentences. Groups can be extinct.Logical formLearned from8 sentences. Currencies can be extinct.Logical formLearned from8 sentences. Civilizations can be extinct.Logical formLearned from8 sentences. Species can be in danger of extincting.Logical formLearned from8 sentences. Mastodons can be extinct.Logical formLearned from8 sentences. Cows can be extinct.Logical formLearned from8 sentences. An instrument can be extinct.Logical formLearned from8 sentences. A bear can be extinct.Logical formLearned from8 sentences. A japanese imperial family can be extinct.Logical formLearned from8 sentences.