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: Consider Input: Several double-blind experiments suggest that people who say they have EHS ca n't detect if electromagnetic fields are present , and are just as likely to report feeling sick after a phony exposure as they are after real exposure , making scientists think it is the nocebo effect .

Output: Since then , several double-blind experiments have shown that people who report electromagnetic hypersensitivity are unable to detect the presence of electromagnetic fields and are as likely to report ill health following a sham exposure as they are following exposure to genuine electromagnetic fields , suggesting the cause in these cases to be the nocebo effect .

Input: Consider Input: The institution does testing and certification of products ( by providing " standards " ) and ensuring the quality of products .

Output: The Standards Institution of Israel ( SII ) is a state-owned corporation responsible for setting standards for products and services provided in Israel , testing and certification of products ( by providing standards " stamp of approval " ) and verifying that the certified products maintain their quality over time .

Input: Consider Input: Proto-Indo-European language ( PIE ) is the ancestor of the Indo-European languages .
Output: Proto-Indo-European ( PIE ) is the linguistic reconstruction of the ancient common ancestor of the Indo-European languages , the most widely spoken language family in the world .