Show the authorization graphs after steps $4,5$ and $6$ of the sequence of actions below. Assume user A is the owner of the database table in question.StepPerformed ByAction

$1$ A GRANT SELECT TO B WITH GRANT OPTION

$2$ A GRANT SELECT TO C

$3$ B GRANT SELECT TO D WITH GRANT OPTION

$4$ D GRANT SELECT TO B$,$ C$,$ E WITH GRANT OPTION

$5$ B REVOKE SELECT FROM D CASCADE

$6$ A REVOKE SELECT FROM C CASCADE