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

Output: 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 .

Input: Consider Input: The effect of mountain chains on winds is to carry warm air belonging to the lower region into an upper zone , where it expands and loses heat , and drops snow or rain .

Output: The effect of mountain chains on prevailing winds is to carry warm air belonging to the lower region into an upper zone , where it expands in volume at the cost of a proportionate loss of temperature , often accompanied by precipitation in the form of snow or rain .

Input: Consider Input: Napoleon used field guns with very large wheels that allowed them to be moved quickly even during a battle .
Output: Perhaps the most famous use of the field gun in terms of advanced tactics was Napoleon Bonaparte 's use of very large wheels on the guns that allowed them to be moved quickly even during a battle .