A genus can be extinct.Logical formLearned from4 522 sentences. Species can be extinct.Logical formLearned from1 945 sentences. A title can be extinct.Logical formLearned from1 808 sentences. A language can be extinct.Logical formLearned from827 sentences. A family can be extinct.Logical formLearned from487 sentences. A baronetcy can be extinct.Logical formLearned from475 sentences. Species can be extinct.Logical formLearned from452 sentences. A group can be extinct.Logical formLearned from417 sentences. Titles can be extinct.Logical formLearned from333 sentences. A barony can be extinct.Logical formLearned from305 sentences. Some species can be extinct.Logical formLearned from283 sentences. Species can be extinct.Logical formLearned from258 sentences. Dinosaurs can be extinct.Logical formLearned from252 sentences. Languages can be extinct.Logical formLearned from173 sentences. An order can be extinct.Logical formLearned from172 sentences.