A culture can be alien.Logical formLearned from493 sentences. Beings can be alien.Logical formLearned from474 sentences. A spaceship can be alien.Logical formLearned from449 sentences. A creature can be alien.Logical formLearned from447 sentences. A concept can be alien.Logical formLearned from434 sentences. A ship can be alien.Logical formLearned from430 sentences. Plants can be alien.Logical formLearned from334 sentences. Workers can be alien.Logical formLearned from322 sentences. Invasive species can be alien.Logical formLearned from315 sentences. A craft can be alien.Logical formLearned from299 sentences. An environment can be alien.Logical formLearned from298 sentences. Presence can be alien.Logical formLearned from281 sentences. A being can be alien.Logical formLearned from272 sentences. An artifact can be alien.Logical formLearned from262 sentences. An attack can be alien.Logical formLearned from259 sentences.