The student correctly uses subject-specific terminology that is relevant to the chosen article and key concept, effectively demonstrating an understanding of macroeconomic principles. Terms such as demand-pull inflation, cost-push inflation, aggregate demand, and aggregate supply are incorporated throughout the commentary, adding clarity and depth to the analysis of the economic situation in Russia. The consistent use of terminology like contractionary monetary policy and inflationary gap further illustrates the student's grasp of the topic and macroeconomic concepts.