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: Enrique Pen ̃ a Nieto ( born 20 July 1966 ) was the 57th President of Mexico from 2012 to 2018 .

A: Enrique Pen ̃ a Nieto ( -RSB- ; born 20 July 1966 ) , commonly referred to by his initials EPN , is a Mexican politician who served as the 57th President of Mexico from 2012 to 2018 .
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Q: It is used as a reinforcing material for many polymer products .

A: Glass fibers are therefore used as a reinforcing agent for many polymer products ; to form a very strong and relatively lightweight fiber-reinforced polymer ( FRP ) composite material called glass-reinforced plastic ( GRP ) , also popularly known as " fiberglass " .
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Q: " Megasthenes lived with Sibyrtius , satrap of Arachosia , and often speaks of his visiting Sandracottus , the king of the Indians . "

A:
Arrian explains that Megasthenes lived in Arachosia , with the satrap Sibyrtius , from where he visited India : Megasthenes lived with Sibyrtius , satrap of Arachosia , and often speaks of his visiting Sandracottus , the king of the Indians . "
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