Comme un jeu

\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)

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For this Venn diagram:

Find the universe \(U\).

\(U=\{u,v,w\}\)
\(U=\{x,y,z\}\)
\(U=\{u,v,w,x,y,z\}\)