An elected-representative of a US-city may exhibit a mastery of a (sound bite).Logical formLearned from1 sentences. A country may have mastery of nuclear technology.Logical formLearned from1 sentences. A mastery of diplomacy may lead to a new era of detente.Logical formLearned from1 sentences. Plaudits can be for a mastery.Logical formLearned from1 sentences. Students may show mastery of knowledge.Logical formLearned from1 sentences. Students may attest to a mastery.Logical formLearned from1 sentences. A (statesman and orator) may be remembered for a mastery of prose.Logical formLearned from1 sentences. Students can be toward mastery.Logical formLearned from1 sentences. (Meaning mastery) may be introduced.Logical formLearned from1 sentences. Questions can be about a mastery of sources.Logical formLearned from1 sentences. A mastery can be in an offhandedness.Logical formLearned from1 sentences. (Computer mastery) can be between students.Logical formLearned from1 sentences. An item may display a mastery of arts.Logical formLearned from1 sentences. A master can be at projecting mastery.Logical formLearned from1 sentences. Winners may demonstrate mastery of words.Logical formLearned from1 sentences.