In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

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

Natural language processing ( NLP ) is a subfield of linguistics , computer science , information engineering , and artificial intelligence concerned with the interactions between computers and human ( natural ) languages , in particular how to program computers to process and analyze large amounts of natural language data .
Natural Language Processing ( NLP ) is a field in Artificial Intelligence , and is also related to linguistics .

When other constituent republics of the Soviet Union advanced claims to sovereignty in 1988 and 1989 , Turkmenia 's leadership also began to criticize Moscow 's economic and political policies as exploitative and detrimental to the well-being and pride of the Turkmen .

When other Soviet republics claimed sovereignty over their territory in 1988 and 1989 , Turkmenia 's leadership also began to criticize Moscow 's economic and political policies .