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]: Archaeological evidence shows that Upper Egyptian culture replaced this Buto culture at the delta when Lower Egypt and Upper Egypt were unified , and the replacement is considered important evidence for the unification of the two portions of Ancient Egypt into one entity .
[A]: Archaeological evidence shows that Upper Egyptian culture replaced the Buto-culture at the delta when Upper and Lower Egypt were unified .


[Q]: The Nymphalidae are the largest family of butterflies with more than 6,000 species distributed throughout most of the world , belonging to the superfamily Papilionoidea .
[A]: The Nymphalidae is the largest family of butterflies , with about 6,000 species .


[Q]: An emergency communication system ( ECS ) is any system ( typically computer-based ) that is organized for the primary purpose of supporting one-way and two-way communication of emergency information between both individuals and groups of individuals .
[A]:
An Emergency communication system ( ECS ) is any type of system ( often using computers ) that lets people or groups communicate during emergencies .