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:
Fossil evidence also suggests a difference in the evolutionary development of the people who made the two different tool types across the Movius Line and it has remained in use as a convenient distinction between the two traditions .
answer:
Fossil evidence also suggests a difference in the evolutionary development of the people who made the two different tool types across the Movius Line .


question:
A doorstop ( also door stopper , door stop or door wedge ) is an object or device used to hold a door open or closed , or to prevent a door from opening too widely .
answer:
A doorstop ( or door stop or doorstopper ) is a tool .


question:
Other key components of a typical Linux distribution are also mainly licensed under the GPL , but they may use other licenses ; many libraries use the GNU Lesser General Public License ( LGPL ) , a more permissive variant of the GPL , and the X.Org implementation of the X Window System uses the MIT License .
answer:

Other key components of a Linux system may use other licenses ; many libraries use the GNU Lesser General Public License ( LGPL ) , a type of the GPL that is less restricted , and the X Window System uses the MIT License .