instruction:
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.
question:
An abelian group is a set , " A " , together with an operation " • " .
answer:
An abelian group is a set , " A " , together with an operation • that combines any two elements " a " and " b " to form another element denoted " a " • " b " .


question:
Wheel 2000 ( full title Wheel of Fortune 2000 ) was a childrens ' television game show .
answer:
Wheel 2000 ( also known as Wheel of Fortune 2000 ) is a children 's version of the American game show " Wheel of Fortune " ( and the last version of Wheel of any sort to air on Daytime television ) .


question:
Psychoneuroimmunology ( PNI ) is the study of the interaction between psychological processes and the nervous and immune systems of the human body .
answer:

Psychoneuroimmunology ( PNI ) , also referred to as psychoendoneuroimmunology ( PENI ) or psychoneuroendocrinoimmunology ( PNEI ) , is the study of the interaction between psychological processes and the nervous and immune systems of the human body .