A description may pertain-to a usage.Logical formLearned from20 sentences. Details can be constituted-of-or-filled-with usage.Logical formLearned from20 sentences. A usage can be detailed.Logical formLearned from20 sentences. A usage can be required.Logical formLearned from20 sentences. A usage may pertain-to a drug.Logical formLearned from20 sentences. A usage may pertain-to a property.Logical formLearned from20 sentences. Guidelines can be for usage.Logical formLearned from20 sentences. A decline can be in usage.Logical formLearned from20 sentences. A usage can be productive.Logical formLearned from19 sentences. A usage may pertain-to customers.Logical formLearned from19 sentences. A usage may pertain-to a military-or-other-action-organization.Logical formLearned from19 sentences. A term can be a usage.Logical formLearned from19 sentences. A usage can be spoken.Logical formLearned from19 sentences. A usage can be abusive.Logical formLearned from19 sentences. A usage can be explicit.Logical formLearned from19 sentences.