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]: The name Palaeoptera has been traditionally applied to those ancestral groups of winged insects ( most of them extinct ) that lacked the ability to fold the wings back over the abdomen as characterizes the Neoptera .
[A]: The Palaeoptera is the group of primitive ( basal ) winged insects which do not fold the wings back over the abdomen , as Neoptera do .

[Q]: In the aftermath of the 1990 Treaty on the Final Settlement with Respect to Germany , the Oder-Neisse line was reaffirmed without any reservation with the German-Polish Border Treaty , signed on 14 November 1990 by re-united Germany and Poland .
[A]: The Oder-Neisse line was reaffirmed by a reunited Germany in the German-Polish Border Treaty , signed on 14 November 1990 .

[Q]: Tug rul Tower ( also transliterated " Toghrul " , " Tughrol " , or " Tughrul " ) is a 12th-century monument , located in the city of Rey , Iran .
[A]:
Tug rul Tower is a 12th-century tower in the city of Rey , Iran .