Exercise $($see the pic for correct symbols$)$ A function $f$:$\{+-1{\}}^n\{+-1\}$ is $k-$Junta if $f$ depends on $k$ coordinates. Let $JUNT{A}_n$

be the class of all ${|}_{{?}_{?}}lo{g}_2(n{)}_{{?}_{?}}|-$Juntas. Show that $JUNT{A}_n$ is efficiently reducible to $TRE{E}_{n,n}$