Instructions: 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: The parasympathetic nervous system ( PNS or PSNS ) is part of the autonomic nervous system .
Output:
The parasympathetic nervous system ( PSNS ) is one of the two divisions of the autonomic nervous system ( a division of the peripheral nervous system ( PNS ) ) , the other being the sympathetic nervous system .