An embryo can be alien.Logical formLearned from25 sentences. Writing can be alien.Logical formLearned from25 sentences. A search can be for alien life.Logical formLearned from25 sentences. Rulers can be alien.Logical formLearned from25 sentences. A brain can be alien.Logical formLearned from25 sentences. Ruins can be alien.Logical formLearned from24 sentences. Religions can be alien.Logical formLearned from24 sentences. A commander can be alien.Logical formLearned from24 sentences. Materials can be alien.Logical formLearned from24 sentences. An infection can be alien.Logical formLearned from24 sentences. An agenda can be alien.Logical formLearned from24 sentences. Systems can be alien.Logical formLearned from24 sentences. Minds can be alien.Logical formLearned from24 sentences. Customs can be alien.Logical formLearned from24 sentences. A warlord can be alien.Logical formLearned from24 sentences.