Sharks can be extinct.Logical formLearned from2 sentences. Species may be made extinct.Logical formLearned from2 sentences. (Homo erectus) may go extinct.Logical formLearned from2 sentences. A version can be extinct.Logical formLearned from2 sentences. A rarity can be extinct.Logical formLearned from2 sentences. (Sub species) can be extinct.Logical formLearned from2 sentences. An (oil industry) can be extinct.Logical formLearned from2 sentences. Others can be extinct.Logical formLearned from2 sentences. A band can be extinct.Logical formLearned from2 sentences. (Bird bones) can be extinct.Logical formLearned from2 sentences. An instinct can be extinct.Logical formLearned from2 sentences. Intelligent life may go extinct.Logical formLearned from2 sentences. Some generas may go extinct.Logical formLearned from2 sentences. A year can be extinct.Logical formLearned from2 sentences. An (art form) can be extinct.Logical formLearned from2 sentences.