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

SOLUTION: 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 .

PROBLEM: At the same time MTRCL changed its Chinese name from " 地鐵有限公司 " ( Subway Limited Company ) to " 香港鐵路有限公司 " ( Hong Kong Railway Limited Company ) , but left its English name unchanged .

SOLUTION: At the same time MTRCL changed its Chinese name from " 地下鐵路有限公司 " ( Subway Limited Company ) to " 香港鐵路有限公司 " ( Hong Kong Railway Limited Company ) , but left its English name unchanged ; at the same time the system 's Chinese name changed from " 地鐵 " ( " Subway " ) to " 港鐵 " ( " Hong Kong Railway " ) .

PROBLEM: F.C. Barcelona is a Spanish football club from Barcelona , Catalonia .

SOLUTION:
Futbol Club Barcelona ( -RSB- ) , commonly referred to as Barcelona and colloquially known as Barc ̧ a ( -RSB- ) , is a Spanish professional football club based in Barcelona , Catalonia , Spain .

