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: In 1972 , he was the first North American to win first prize at the Leeds Piano Competition .

Output: In 1972 , he was the first North American to win first prize at the Leeds Piano Competition , helping to cement its reputation for advancing the careers of young pianistic talent .

Input: Consider Input: Cygnus X-1 was the first X-ray source accepted as a black hole .

Output: Cygnus X-1 ( abbreviated Cyg X-1 ) is a galactic X-ray source in the constellation Cygnus , and the first such source widely accepted to be a black hole .

Input: Consider Input: A Virtual Private Network , or VPN is a set of technologies which are used to link computers to create a private network .
Output: A virtual private network ( VPN ) extends a private network across a public network , and enables users to send and receive data across shared or public networks as if their computing devices were directly connected to the private network .