<prompt> Translate the following text to SwahiliFor its part, China declared Hong Kong a Special Administrative Region and guaranteed its civil and social system for at least 50 years after 1997.  <response>: China pia ilitangaza Hong Kong kuwa eneo maalum la kiutawala na kuhakikisha mfumo wake wa kiraia na kijamii kwa angalau miaka 50 baada ya 1997. 