Frogs may go extinct.Logical formLearned from7 sentences. Dodoes can be extinct.Logical formLearned from7 sentences. Some percent can be in danger of going extinct.Logical formLearned from7 sentences. Collapses may go extinct.Logical formLearned from7 sentences. Plants can be extinct.Logical formLearned from7 sentences. A middle class can be extinct.Logical formLearned from7 sentences. A tarpan can be extinct.Logical formLearned from7 sentences. Butterflies may go extinct.Logical formLearned from7 sentences. Man can be extinct.Logical formLearned from7 sentences. A frog can be extinct.Logical formLearned from7 sentences. A being can be extinct.Logical formLearned from7 sentences. Lines can be extinct.Logical formLearned from7 sentences. An industry can be extinct.Logical formLearned from7 sentences. A zebra can be extinct.Logical formLearned from7 sentences. An amphibian can be extinct.Logical formLearned from7 sentences.