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:
The retina does not feel pain , so damage may not be felt for hours .
answer:
The retina has no sensitivity to pain , and the effects of retinal damage may not appear for hours , so there is no warning that injury is occurring .


question:
The International Boxing Federation , or " IBF " , is one of many organizations which sanction world championship boxing bouts , alongside the WBA , WBC , WBO , and a dozen or so others .
answer:
The International Boxing Federation ( IBF ) is one of four major organizations recognized by the International Boxing Hall of Fame ( IBHOF ) which sanction world championship boxing bouts , alongside the World Boxing Association ( WBA ) , World Boxing Council ( WBC ) and World Boxing Organization ( WBO ) .


question:
The family Cyperaceae , or the sedges , is a taxon of flowering plants that superficially resemble grasses or rushes .
answer:

The Cyperaceae are a family of graminoid ( grass-like ) , monocotyledonous flowering plants known as sedges , which superficially resemble the closely related rushes and the more distantly related grasses .


