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:
The High Priest and Priestess act as administrative chiefs and primary public representatives ; each position ( High Priest and High Priestess ) is held by a single individual at a time .
answer:
The High Priest and Priestess act as administrative chiefs and the two main public representatives .

question:
It holds that non-material abstract ( but substantial ) forms ( or ideas ) , and not the material world of change known to us through our physical senses , possess the highest and most fundamental kind of reality .
answer:
It says that there are non-physical abstract ideas that have the highest form and most real kind of reality .

question:
The Vatican Apostolic Library , more commonly known as the Vatican Library or informally as the Vat , is the library of the Holy See , located in Vatican City .
answer:
The Vatican Library is the library of the Holy See .