Indicate whether the following requests should be permitted or denied, where I(s) and I(o) represents the security label of the subject and object, respectively, s stands for subject and o for object a. s requests to read ol and o2 permit deny l(s)-(G, {CSE) ol) (UG, o2)(G, ) l(s)-(UG, (CSE,EE)) l(o1) (UG, l)), l(o2) (UG, (CSE,EE)) l(o3)-(UG, (CSE) b. s requests to read o1, o2, o3 permideny c. s requests to write ol, o2 permit deny (s)-(UG, CSE)) l(ol)-G, (CSE)), 1(02)-(UG, \))