A person may acquire mastery.Logical formLearned from10 sentences. A mastery can be continued.Logical formLearned from10 sentences. A male may have a mastery.Logical formLearned from10 sentences. A mastery may pertain-to a company.Logical formLearned from10 sentences. A need can be for mastery of an environment.Logical formLearned from10 sentences. A mastery may pertain-to a short story.Logical formLearned from10 sentences. A mastery can be required.Logical formLearned from10 sentences. A mastery may pertain-to problems.Logical formLearned from10 sentences. A key can be to mastery.Logical formLearned from10 sentences. Mastery may pertain-to a body.Logical formLearned from10 sentences. Mastery may undergo an achievement.Logical formLearned from10 sentences. A mastery may pertain-to standards.Logical formLearned from10 sentences. Mastery may pertain-to the skies.Logical formLearned from10 sentences. A mastery can be constituted-of-or-filled-with science.Logical formLearned from10 sentences. A mastery may pertain-to a situation.Logical formLearned from10 sentences.