Locales can be extraterrestrial.Logical formLearned from2 sentences. Signals can be from an extraterrestrial intelligence.Logical formLearned from2 sentences. A program may search for extraterrestrial intelligence.Logical formLearned from2 sentences. A scale can be extraterrestrial.Logical formLearned from2 sentences. A (cancellation stamp) can be a homage to an extraterrestrial visitor.Logical formLearned from2 sentences. A homage can be to an extraterrestrial visitor.Logical formLearned from2 sentences. Theorists can be extraterrestrial.Logical formLearned from2 sentences. Extraterrestrial life can be on planets.Logical formLearned from2 sentences. A tourist can be extraterrestrial.Logical formLearned from2 sentences. Scientists may search for extraterrestrial life.Logical formLearned from2 sentences. Electrical currents can be extraterrestrial.Logical formLearned from2 sentences. Outbursts can be extraterrestrial.Logical formLearned from2 sentences. Scientists may study a likelihood of extraterrestrial life.Logical formLearned from2 sentences. A credo can be extraterrestrial.Logical formLearned from2 sentences. An extraterrestrial life can be simple.Logical formLearned from2 sentences.