A usage can be standard.Logical formLearned from9 sentences. An (energy usage) may pertain-to a country.Logical formLearned from9 sentences. A usage can be derogatory.Logical formLearned from9 sentences. A usage may pertain-to a computer.Logical formLearned from9 sentences. A usage can be questionable.Logical formLearned from9 sentences. (Usage charges) can be monthly.Logical formLearned from9 sentences. Models may show usage.Logical formLearned from9 sentences. A usage may suggest that something-is-the-case.Logical formLearned from9 sentences. Usages may pertain-to a country.Logical formLearned from9 sentences. A usage may be discontinued.Logical formLearned from9 sentences. Usage may jump.Logical formLearned from9 sentences. A usage can be harsh.Logical formLearned from9 sentences. A usage may pertain-to facilities.Logical formLearned from9 sentences. A (memory usage) may pertain-to persons.Logical formLearned from9 sentences. Usage can be by students.Logical formLearned from9 sentences.