Natives can be extinct.Logical formLearned from4 sentences. (Brackish-water shells) can be extinct.Logical formLearned from4 sentences. Species can be in danger of extincting.Logical formLearned from4 sentences. An assembly can be extinct.Logical formLearned from4 sentences. A dinosaur can be extinct.Logical formLearned from4 sentences. Dozens of species may go extinct.Logical formLearned from4 sentences. Inhabitants can be extinct.Logical formLearned from4 sentences. A (flightless bird) can be extinct.Logical formLearned from4 sentences. Chimpanzees can be extinct.Logical formLearned from4 sentences. A system can be extinct.Logical formLearned from4 sentences. Extinct animals may be developed.Logical formLearned from4 sentences. A way of life may go extinct.Logical formLearned from4 sentences. A black man can be extinct.Logical formLearned from4 sentences. Credit can be extinct.Logical formLearned from4 sentences. Gorillas can be extinct.Logical formLearned from4 sentences.