Consider a system that combines the Military security policy and Bell-LaPadula confidentiality model. Given the security levels TOP SECRET, SECRET, CONFIDENTIAL, and UNCLASSIFIED (ordered from highest to lowest), and compartments Students, Faculty, Staff, and Contractors specify what type of access (read, write, both, none) is allowed in each of the following situations.a) John, cleared for (TOP SECRET, {Faculty, Staff, Students}), wants to access a document classified as (TOP SECRET, {Faculty, Staff, Contractors}).b) Bill, cleared for (CONFIDENTIAL, {Faculty, Students}), wants to access a document classified as (CONFIDENTIAL, {Students}).c) Janet, cleared for (SECRET, {Faculty, Students}), wants to access document classified as (CONFIDENTIAL, {Faculty}).d) Pete, cleared for (CONFIDENTIAL, {Faculty, Staff}), wants to access a document classified as (SECRET, {Staff}).e) Chris, cleared for (CONFIDENTIAL, {Staff}) wants to access a document classified as (UNCLASSIFIED, {Staff}).