Task: Explanation
Input (English): Nikolai Andreyevich Rimsky-Korsakov (18 March [O.S. 6 March] 1844 21 June [O.S. 8 June] 1908 ) was a Russian composer, and a member of the group of composers known as The Five. He was a master of orchestration. His best-known orchestral compositions—"Capriccio Espagnol", the "Russian Easter Festival Overture", and the symphonic suite "Scheherazade"—are staples of the classical music repertoire, along with suites and excerpts from some of his 15 operas. "Scheherazade" is an example of his frequent use of fairy tale and folk subjects. Question: Which Russian composer was a member of the group of composers known as The Five, Nikolai Rimsky-Korsakov or Mikhail Glinka? Answer: Nikolai Andreyevich Rimsky-Korsakov
Output (English):  He was a master of orchestration.