Definition: 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.
Input: A siddur is a Jewish prayer book .
Output:
A siddur ( Hebrew : סדור -RSB- ; plural siddurim , -RSB- ) is a Jewish prayer book , containing a set order of daily prayers .