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: ARCHITECTURE 
Clue: This architecturally controversial Paris complex opened in 1977
[A]: pompidou centre/beaubourg


[Q]: Category: HEAVY MACHINERY 
Clue: By definition it's a machine that gives a surface an even degree of slope
[A]: grader


[Q]: Category: TREES 
Clue: Some wicker furniture is made from the black or basket species of this family of trees, Salicacaea
[A]:
the willow