Human beings can be extinct.Logical formLearned from7 sentences. A (campaign button) can be extinct.Logical formLearned from7 sentences. A giant panda can be extinct.Logical formLearned from7 sentences. A woodpecker can be extinct.Logical formLearned from7 sentences. A (flightless predator) can be extinct.Logical formLearned from7 sentences. Ones can be extinct.Logical formLearned from7 sentences. A sect can be extinct.Logical formLearned from7 sentences. A (passenger pigeon) can be extinct.Logical formLearned from7 sentences. Volcanic cones can be extinct.Logical formLearned from7 sentences. (Elephant birds) can be extinct.Logical formLearned from7 sentences. Some forms can be extinct.Logical formLearned from7 sentences. Some percent of species can be extinct.Logical formLearned from7 sentences. A devil can be extinct.Logical formLearned from7 sentences. A virus can be extinct.Logical formLearned from7 sentences. Big bird can be extinct.Logical formLearned from7 sentences.