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 severity of nuclear accidents is generally classified using the International Nuclear Event Scale ( INES ) introduced by the International Atomic Energy Agency ( IAEA ) .
[A]: It is called the International Nuclear Event Scale .


[Q]: The Pentagon is the headquarters building of the United States Department of Defense , although as a symbol of the U.S. military , the phrase " The Pentagon " is also often used as a metonym for the Department of Defense and its leadership .
[A]: The Pentagon is the headquarters of the United States Department of Defense .


[Q]: In Greek mythology , Paean ( Ancient Greek : Παια ́ ν ) , Paee ̈ on or Paieon ( Παιη ́ ων ) , or Paeon or Paion ( Παιω ́ ν ) was the physician of the gods .
[A]:
In Greek mythology , Paean ( Paee ̈ on or Paeon ) was the Greek doctor of the gods .