instruction:
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.
question:
The GNU General Public License ( GPL ) is a computer software copyleft license .
answer:
The GNU General Public License ( GNU GPL or GPL ) is a widely-used free software license , which guarantees end users the freedom to run , study , share and modify the software .

question:
The Hondo and the Sarstoon River make the northern and southern border .
answer:
The undulating courses of two rivers , the Hondo and the Sarstoon River , define much of the course of the country 's northern and southern boundaries .

question:
Club Atle tico de Madrid is a Spanish football team from Madrid , the capital city of Spain , that play in La Liga .
answer:
Club Atle tico de Madrid ( -RSB- , meaning " Athletic Club of Madrid " ) , commonly referred to as Atle tico de Madrid , Atle tico Madrid or simply as Atle tico or Atleti , is a Spanish professional football club based in Madrid , that play in La Liga .