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: When rainbands near frontal zones get close to steep mountains , a low-level barrier jet stream forms parallel to and just before the mountain ridge .

A: When bands of precipitation near frontal zones approach steep topography , a low-level barrier jet stream forms parallel to and just prior to the mountain ridge , which slows down the frontal rainband just prior to the mountain barrier .
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Q: The Civil Registry and Identification Service is an institution for public service in Chile .

A: The Civil Registry and Identification Service is the Chilean public service in charge of registering civil statuses of persons and other issues which , by law , it has to register .
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Q: In social studies , a political ideology is a certain ethical set of values , principles , doctrines , myths , or symbols of a social movement , institution , or class which explains how society should work .

A:
In social studies , a political ideology is a certain ethical set of ideals , principles , doctrines , myths , or symbols of a social movement , institution , class , or large group that explains how society should work , and offers some political and cultural blueprint for a certain social order .
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