<prompt> Translate the following text to EnglishWakati mmoja mji huo ulikuwa bandari kubwa kwenye pwani ya kusini, lakini sasa ni mji mdogo ulio kando ya mto huo ambao uliitwa kwa jina lake.  <response>: Once a major port on the south coast, Black River is now a small, sleepy town on the banks of the river from which it took its name. 