Consider a relation T$($Al$,$ A$2,$ A$3,$ A$4,$ A$5,$ A$6,$ A$7)$in which $($A$1,$A$2,$A$3)$ is the key, and the set of functional dependencies:$($A$1,$ A$2,3)($A$4,$ A$5,6,7)($A$1,$ A$2)>$ A$4$A$4>$ A$5$A$6>$ A$2$Which of the following decompositions satisfies $3$NF$?$I. TI$($A$1,$ A$2,$ A$3,$ A$6,$ A$7),$ T$2($A$1,$ A$2,$ A$4),$ T$3($A$4,$A$5)$II$.$ T$1($A$1,$ A$6,$ A$3,$ A$7),$ T$2($A$1,$ A$2,$ A$4),$ T$3($A$6,$ A$2),$ T$4($A$4,$ A$5)($A$)$ I only$($B$)$ II only$($C$)$ Both I and II$(0)$ Neither I nor II