Attributes can be intangible.Logical formLearned from15 sentences. An attribute can be constituted-of-or-filled-with human nature.Logical formLearned from15 sentences. Attributes can be rare.Logical formLearned from15 sentences. Attributes may pertain-to a file.Logical formLearned from15 sentences. A description may pertain-to an attribute.Logical formLearned from15 sentences. Attributes may pertain-to a US-city.Logical formLearned from15 sentences. Attributes can be optional.Logical formLearned from15 sentences. An attribute may have a value.Logical formLearned from15 sentences. A keyword may be followed by an (attribute specification).Logical formLearned from15 sentences. Attributes may be returned.Logical formLearned from15 sentences. Attributes may pertain-to an individual.Logical formLearned from15 sentences. Attributes can be identified.Logical formLearned from15 sentences. A length may pertain-to an attribute.Logical formLearned from15 sentences. Attributes may be shown.Logical formLearned from15 sentences. An attribute can be volatile.Logical formLearned from15 sentences.