instruction:
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.
question:
For example , a kilometre is 10 ( a thousand ) times the length of a metre , but a square kilometre is 10 ( 10 , a million ) times the area of a square metre , and a cubic kilometre is 10 ( 10 , a billion ) cubic metres .
answer:
For example , a kilometre is one thousand times the length of a metre , but a square kilometre is one million times the area of a square metre .


question:
An epicalyx , which forms an additional whorl around the calyx of a single flower , is a modification of bracteoles In other words , the epicalyx is a " group of bracts resembling a calyx " or " bracteoles forming a whorl outer to the calyx " .
answer:
An epicalyx , an additional whorl around the calyx of a single flower , is a modification of bracteoles .


question:
Matt Stone and Trey Parker , creators of the TV show " South Park " , joined the show for the fourth season and were given their own separate credit as executive producers for the ten episodes in which they were involved .
answer:

Matt Stone and Trey Parker , creators of " South Park " , were executive producers for 10 episodes in the fourth season of the show .