Anchor: Computer users, and others with access to information resources, cannot be expected to comply with policies that they are not aware of or do not understand.
Entailed: It is illogical to demand that computer users comply with policies they don't understand or were not made aware of.
Contradiction: It is standard protocol that all computer users or people will access to information resources adhere to all created policies, despite claimed knowledge or lack thereof.
Contradiction: Groups of women skateboarding.
Contradiction: A squad poses for a picture.
Contradiction: I did not think we would see each other before I left for London.  
Contradiction: It had worked for a length of time but now no longer works.