A quest can be for mastery.Logical formLearned from6 sentences. A mastery can be quiet.Logical formLearned from6 sentences. A mastery can be evident.Logical formLearned from6 sentences. A mastery can be apparent.Logical formLearned from6 sentences. A US-president may show a mastery of a (balancing act).Logical formLearned from6 sentences. Terrorists may maintain a mastery of an element of surprise.Logical formLearned from6 sentences. A mastery can be shallow.Logical formLearned from6 sentences. A mastery may pertain-to the universe.Logical formLearned from6 sentences. A mythology may defy mastery.Logical formLearned from6 sentences. A mastery can be formidable.Logical formLearned from6 sentences. A mastery can be constituted-of-or-filled-with content.Logical formLearned from6 sentences. A mastery can be inconsistent.Logical formLearned from6 sentences. A mastery can be admirable.Logical formLearned from6 sentences. Some students may show a mastery of science.Logical formLearned from6 sentences. A position can be constituted-of-or-filled-with mastery.Logical formLearned from6 sentences.