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: iPS cells closely resemble embryonic stem cells , the " in vitro " equivalent of the part of the blastocyst ( the embryo a few days after fertilization ) which grows to become the embryo proper .

A: iPS cells are like embryonic stem cells from a blastocyst ( the embryo a few days after fertilization ) .
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Q: The Olympic Committee of Serbia succeeded the NOC for Serbia and Montenegro in June 2006 , with approval of the Assembly of the Olympic Committee of Serbia and Montenegro .

A: The NOC for Serbia and Montenegro became the Olympic Committee of Serbia in June 2006 .
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Q: Later on , it became her first ever single to top a " Billboard " chart when it reached number one on the Hot Adult Top 40 Tracks chart in May 2011 , and became her first number one hit in the country when it topped the " Billboard " Hot 100 in May 2011 .

A:
This was when it reached number one on the Hot Adult Top 40 Tracks chart in May 2011 .
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