Moreover, the proposed approach is extremely simple and it is well explained in Section 2 with equations (1) and (2).	['non', 'non', 'arg', 'arg', 'arg', 'arg', 'arg', 'arg', 'non', 'arg', 'arg', 'arg', 'arg', 'non', 'non', 'non', 'non', 'non', 'non', 'non', 'non', 'non', 'non', 'non', 'non', 'non']	paper quality