(Animal bones) can be extinct.Logical formLearned from4 sentences. A mammal can be extinct.Logical formLearned from4 sentences. A great auk can be extinct.Logical formLearned from4 sentences. An otter can be extinct.Logical formLearned from4 sentences. A marsupial can be extinct.Logical formLearned from4 sentences. Tigers may go extinct.Logical formLearned from4 sentences. Journalism can be extinct.Logical formLearned from4 sentences. A (language eyak) may go extinct.Logical formLearned from4 sentences. A frog can be extinct.Logical formLearned from4 sentences. (Dwarf hippopotamuses) can be extinct.Logical formLearned from4 sentences. A mixture can be extinct.Logical formLearned from4 sentences. A political party can be extinct.Logical formLearned from4 sentences. Resorts can be extinct.Logical formLearned from4 sentences. A (fresh water terrapin) can be extinct.Logical formLearned from4 sentences. A condor can be extinct.Logical formLearned from4 sentences.