A line of creatures may go extinct.Logical formLearned from2 sentences. Mammoths may be become extinct.Logical formLearned from2 sentences. A male may tease manny about extincting.Logical formLearned from2 sentences. An endangered species may go extinct.Logical formLearned from2 sentences. An ivory can be extinct.Logical formLearned from2 sentences. An ivory-bill can be extinct.Logical formLearned from2 sentences. Clams can be extinct.Logical formLearned from2 sentences. Apples can be extinct.Logical formLearned from2 sentences. (Cave bears) can be extinct.Logical formLearned from2 sentences. Species may be believed extinct.Logical formLearned from2 sentences. Dinosaurs of (life forms) may go extinct.Logical formLearned from2 sentences. Pictures may show extinct birds.Logical formLearned from2 sentences. A camel can be extinct.Logical formLearned from2 sentences. Farming can be extinct.Logical formLearned from2 sentences. An American currency can be extinct.Logical formLearned from2 sentences.