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.
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Question: The atomic radius of an element is the distance between the nucleus and the edge of the electron cloud .

Answer: The atomic radius of a chemical element is a measure of the size of its atoms , usually the mean or typical distance from the center of the nucleus to the boundary of the surrounding shells of electrons .


Question: The PlayStation ( often known as the PS1 or the PSX ) is a video game console made by Sony .

Answer: The PlayStation ( officially abbreviated as PS and commonly known as the PS1 or its codename PSX ) is a home video game console developed and marketed by Sony Computer Entertainment .


Question: BBC Radio 5 Live Sports Extra is a digital radio station from the BBC .

Answer:
BBC Radio 5 Live Sports Extra ( also known as just 5 Live Sports Extra or 5 Live Extra ) is a national digital radio station in the United Kingdom , operated by the BBC , and specialising only in extended additional sports coverage .