Consider the following R code:

x $<-$ c$(1,2,3,4,5)$

y $<-$ c$(2,4,6)$

z $<-$ x$[$y$]$

What will be the value of the z vector?

Group of answer choices

$1,3,5$

$2,2,4,4,6,6$

$2,4,6$

$1,2,4,5$

$2,4,$ NA