Beacons can be extraterrestrial.Logical formLearned from16 sentences. A hunt can be for extraterrestrial life.Logical formLearned from16 sentences. A debris can be extraterrestrial.Logical formLearned from16 sentences. Influences can be extraterrestrial.Logical formLearned from15 sentences. A hiding can be extraterrestrial.Logical formLearned from15 sentences. Spaceships can be extraterrestrial.Logical formLearned from15 sentences. A search can be for evidence of extraterrestrial life.Logical formLearned from14 sentences. Contact can be with extraterrestrial life.Logical formLearned from14 sentences. Signals can be from extraterrestrial civilizations.Logical formLearned from14 sentences. Microbes can be extraterrestrial.Logical formLearned from14 sentences. Extraterrestrial beings can be intelligent.Logical formLearned from14 sentences. A nature can be extraterrestrial.Logical formLearned from14 sentences. A rock can be extraterrestrial.Logical formLearned from14 sentences. Extraterrestrial life may undergo a search.Logical formLearned from14 sentences. A message can be extraterrestrial.Logical formLearned from13 sentences.