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.
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Question: Cungagnaq ( Russian : , ; date of birth unknown - d . 1815 ) is venerated as a martyr and saint ( as Peter the Aleut ; Russian : , ) by some jurisdictions of the Eastern Orthodox Church .

Answer: Peter the Aleut ( d . 1815 ) , also known as Cungagnaq , is a saint in some parts of the Eastern Orthodox Church .

Question: Cognitive neuropsychology is a branch of cognitive psychology that aims to understand how the structure and function of the brain relates to specific psychological processes .

Answer: Cognitive neuropsychology is a subject in psychology .

Question: The Confederation of the Rhine ( ; French : officially " " ( " Confederated States of the Rhine " ) , but in practice " " ) was a confederation of client states of the First French Empire .

Answer:
The Confederation of the Rhine was a client state of First French Empire .