You will be given a passage, and your task is to generate a Yes/No question that is answerable based on the given passage.

Let me give you an example: Powdered sugar, also called confectioners' sugar, icing sugar, and icing cake, is a finely ground sugar produced by milling granulated sugar into a powdered state. It usually contains a small amount of anti-caking agent to prevent clumping and improve flow. Although most often produced in a factory, powdered sugar can also be made by processing ordinary granulated sugar in a coffee grinder, or by crushing it by hand in a mortar and pestle.
The answer to this example can be: is confectionary sugar the same as powdered sugar?
Here is why: The question is a yes/no question, and it is answerable based on the given passage.

OK. solve this:
The pound is the currency of Guernsey. Since 1921, Guernsey has been in currency union with the United Kingdom and the Guernsey pound is not a separate currency but is a local issue of banknotes and coins denominated in pound sterling, in a similar way to the banknotes issued in Scotland, England and Northern Ireland (see Banknotes of the pound sterling). It can be exchanged at par with other sterling coinage and notes (see also sterling zone).
Answer:
can you use guernsey money in the uk?