Simplify the following text for a Grade 10 native English-speaking person.
Original: The Norwegian ambassador to the People 's Republic of China was summoned by the Foreign Ministry on 8 October 2010 and was presented with an official complaint against the granting of the Nobel Peace Prize to Liu .
Simplified: The Chinese Foreign Ministry called the Norwegian ambassador to the People 's Republic of China to the ministry on 8 October 2010 . The Chinese gave the ambassador an official complaint against awarding the Nobel Peace Prize to Liu Xiaobo .