Task: Explanation
Input (English): Pyotr Ilyich Tchaikovsky ( ; Russian: Пётр Ильи́ч Чайко́вский ; 25 April/7 May 1840 – 25 October/6 November 1893), often anglicized as Peter Ilich Tchaikovsky, was a Russian composer of the romantic period, some of whose works are among the most popular music in the classical repertoire. He was the first Russian composer whose music made a lasting impression internationally, bolstered by his appearances as a guest conductor in Europe and the United States. Tchaikovsky was honored in 1884, by Emperor Alexander III, and awarded a lifetime pension. Question: The composer of The String Quartet No. 3 in E-flat minor was awarded a lifetime pension by what emperor? Answer: Emperor Alexander III
Output (English):  Tchaikovsky was honored in 1884, by Emperor Alexander III, and awarded a lifetime pension.