CHALLENGE ACTIVITY $2\mathrm{.}7\mathrm{.}1$: Partitions. $3667641460392.$qx$3$zqy$7$ Jump to level $112.$ A $=\{$a$,$ b$,$ c$,$ d$,$ e$,$ f$,$ g$,$ h$\}$ Select the sets that form a partition of A$.$ a $\{$a$,$b$)\{$a$,$ e$)\{$c$,$ f$,$ h$)\{$b$,$ f$,$ g$,$ h$\}\{$d$,$ e$,$g$\}\{$f$,$g$\}$