(Space crafts) can be alien.Logical formLearned from6 sentences. An alien invasion can be hostile.Logical formLearned from6 sentences. A starship may crash-land on an alien planet.Logical formLearned from6 sentences. First contact can be with an alien race.Logical formLearned from6 sentences. A worshiper can be alien.Logical formLearned from6 sentences. A crap can be alien.Logical formLearned from6 sentences. Traits can be alien.Logical formLearned from6 sentences. An outpost can be alien.Logical formLearned from6 sentences. A brood can be alien.Logical formLearned from6 sentences. A rating can be alien.Logical formLearned from6 sentences. A chemical can be alien.Logical formLearned from6 sentences. An infant can be alien.Logical formLearned from6 sentences. An alien invasion may interrupt a wedding.Logical formLearned from6 sentences. Construction can be alien.Logical formLearned from6 sentences. A custom can be alien.Logical formLearned from6 sentences.