An outpost can be extraterrestrial.Logical formLearned from4 sentences. Extraterrestrial life can be on a planet.Logical formLearned from4 sentences. A signal can be from an extraterrestrial civilization.Logical formLearned from4 sentences. A lightning can be extraterrestrial.Logical formLearned from4 sentences. Systems can be extraterrestrial.Logical formLearned from4 sentences. A base can be extraterrestrial.Logical formLearned from4 sentences. An expert can be extraterrestrial.Logical formLearned from4 sentences. A humidifier can be extraterrestrial.Logical formLearned from4 sentences. A mapping can be extraterrestrial.Logical formLearned from4 sentences. Evidence can be for extraterrestrial life.Logical formLearned from4 sentences. A hunt can be for extraterrestrial intelligence.Logical formLearned from4 sentences. Some wishes can be for proof of extraterrestrial life.Logical formLearned from4 sentences. Contacts can be with extraterrestrial aliens.Logical formLearned from4 sentences. Technology can be extraterrestrial.Logical formLearned from4 sentences. A female can be extraterrestrial.Logical formLearned from4 sentences.