In the following sentence, some parts have errors and some are correct. Find out which part has an error and mark it as your answer. If there is no error, mark ‘No error’ as your answer.

The Nobel Committee’s decision to award (A)/ this year’s Peace Prize to Abiy Ahmed (B)/ is both a recognition of his efforts for peace (C)/ on East Africa and a reminder of the challenges ahead for him. (D)/ No error (E)