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.
Input: The 1950s was the decade that started on January 1 , 1950 , and ended on December 31 , 1959 .
Output:
The 1950s ( pronounced " nineteen-fifties " ; commonly abbreviated as the fifties ( among other variants ) ) was a decade of the Gregorian calendar that began on January 1 , 1950 , and ended on December 31 , 1959 .