You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

[Q]: Category: BIRDS 
Clue: The "snowy" type of this member of the heron family is known for its beautiful white plumes
[A]: an egret


[Q]: Category: WINE 
Clue: Wine is produced in this grand duchy, along the Moselle River
[A]: luxembourg


[Q]: Category: ON THE GO 
Clue: John Ericsson, who built a steam locomotive in England in 1829, built this famous Civil War steam-powered ship
[A]:
the monitor