Note that

means belongs to or is a member of$,$ but

means subset and

means proper subset. Select all True statements in the following.

Group of answer choices

x in $\{$x$\}$

$\{$x$\}\{$x$\}$

$\{$x$\}$ in $\{$x$\}$

$$ in $\{$x$\}$

$\{$x$\}$

$\{0\}$

$\{\}\{\}$

$0$ in $$