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.

[Q]: In the 1990s and 2000s , clonewheel organs began using sampling or digital techniques .
[A]: In the 1990s and 2000s , clonewheel organs began using digitally-sampled real Hammond sounds or digital signal processing emulation techniques , which were much better able to capture the nuances of the vintage Hammond sound .


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


[Q]: In marine sediments methane is produced when sulfates are low .
[A]:
In marine sediments the biological production of methane , also termed methanogenesis , is generally confined to where sulfates are depleted , below the top layers .