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]: A virtual learning environment ( VLE ) in educational technology is a Web-based platform for the digital aspects of courses of study , usually within educational institutions .
[A]: A virtual learning environment ( VLE ) is a kind of e-learning system placed on a website .


[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 .


[Q]: The Western Dakota are the Yankton , and the Yanktonai ( " Iha ́ ŋkth ̌ uŋwaŋ " and " Iha ́ ŋkth ̌ uŋwaŋna " ; " Village-at-the-end " and " Little village-at-the-end " ) , who reside in the Upper Missouri River area .
[A]:
The Western Dakota are also called the Yankton or Yanktonai , and are located in the Missouri River area .