You will be given a definition of a task first, then some input of the task.
In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

The Book of Revelation , which is sometimes called Revelation to John , Apocalypse of John , or Revelation of Jesus Christ is the last book of the New Testament in the Bible .
Output:
The Book of Revelation , often called the Book of Revelations , Revelation to John , the Apocalypse of John , The Revelation , or simply Revelation , the Revelation of Jesus Christ ( from its opening words ) or the Apocalypse , is the final book of the New Testament , and therefore also the final book of the Christian Bible .