TASK DEFINITION: In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
PROBLEM: Littlehampton is a seaside town in Arun , West Sussex , England .

SOLUTION: Littlehampton is a town , seaside resort and pleasure harbour , and the most populous civil parish in the Arun District of West Sussex , England .

PROBLEM: The Imperial Territory of Alsace-Lorraine ( or , or ) was a territory created by the German Empire in 1871 after its victory in the Franco-Prussian War .

SOLUTION: The Imperial Territory of Alsace-Lorraine ( or ; Alsatian : ; Moselle Franconian / ) was a territory created by the German Empire in 1871 , after it annexed most of Alsace and the Moselle department of Lorraine following its victory in the Franco-Prussian War .

PROBLEM: A slow shutter speed will need a smaller aperture to stop the picture coming out too bright .

SOLUTION:
Typically , a fast shutter will require a larger aperture to ensure sufficient light exposure , and a slow shutter will require a smaller aperture to avoid excessive exposure .