Persons may have characteristics.Logical formLearned from27 sentences. A characteristic may pertain-to a US-president.Logical formLearned from27 sentences. Characteristics may enable features.Logical formLearned from27 sentences. A characteristic can be simple.Logical formLearned from27 sentences. A function may pertain-to characteristics.Logical formLearned from27 sentences. Characteristics may pertain-to populations.Logical formLearned from27 sentences. Characteristics may pertain-to structures.Logical formLearned from27 sentences. A characteristic can be stable.Logical formLearned from27 sentences. Characteristics may pertain-to a facility.Logical formLearned from27 sentences. A characteristic may pertain-to a population.Logical formLearned from27 sentences. Some characteristics can be constituted-of-or-filled-with existence.Logical formLearned from27 sentences. A characteristic may pertain-to a model.Logical formLearned from27 sentences. Characteristics may pertain-to regions.Logical formLearned from27 sentences. A characteristic may pertain-to an age.Logical formLearned from27 sentences. Combinations can be constituted-of-or-filled-with characteristics.Logical formLearned from27 sentences.