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.

Q: Informally , an expert is someone widely recognized as a reliable source of technique or skill whose faculty for judging or deciding rightly , justly , or wisely is accorded authority and status by peers or the public in a specific well-distinguished domain .

A: An expert is an individual recognized as a reliable source of knowledge or skill in a particular field .
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Q: What was then needed was a tool that would cut DNA at specific sites , rather than at random sites along the length of the molecule , so that scientists could cut DNA molecules in a predictable and reproducible way .

A: They needed a tool to cut DNA at specific sites , rather than at random sites along the length of the molecule .
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Q: World Environment Day ( WED ) is celebrated on the 5th of June every year , and is the United Nation 's principal vehicle for encouraging awareness and action for the protection of our environment .

A:
World Environment Day ( WED ) is celebrated every year on June 5 .
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