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.

Q: The Python bivittatus ( or Burmese python ) is one of the fifth largest snakes in the world .

A: The Burmese python ( " Python bivittatus " ) is one of the five largest species of snakes in the world ( about the fourth-largest as measured either by length or weight ) .
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Q: The retina does not feel pain , so damage may not be felt for hours .

A: 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 .
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Q: Sea snakes , or " coral reef snakes " , are venomous elapid snakes .

A:
Sea snakes , or coral reef snakes , are a subfamily of venomous elapid snakes , the Hydrophiinae , that inhabit marine environments for most or all of their lives .
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