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:
A Virtual Private Network , or VPN is a set of technologies which are used to link computers to create a private network .
answer:
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 .

question:
The Seychelles Parakeet " ( Psittacula wardi ) " is an extinct bird .
answer:
The Seychelles parakeet or Seychelles island parrot ( " Psittacula wardi " ) is an extinct species of parrot that was endemic to the Seychelles group in the Indian Ocean .

question:
Anguilla national football team is the national football team of Anguilla .
answer:
The Anguilla national football team is the national team of Anguilla , a British Overseas Territory in the Caribbean , and is controlled by the Anguilla Football Association .