D83 (Search, Learning, Information and Knowledge; Communication; Belief; Unawareness); D91 (Role
I12, I18, D83, C93
O12, Q54, I25, c93
C91, D91
J24, D91, O33
I25, J13, D15, C93
C91, D91
Q42,O13, Q51, Q57, C93
K13, K41, C90, D91, O33
C93, D31, D85, D91