Anchor: Members of the central group possess a variety of technical skills and have specific information security responsibilities, such as developing policy, maintaining the firewall that protects the organization's network from unauthorized intrusions, or supporting security staff assigned to individual business units.
Entailed: Members of the main group have lots of different technical skills. 
Contradiction: No one in the group has technical skills, they just make due. 
Contradiction: The jacket is red.
Contradiction: Some people change their drinking habits when they have to go to the emergency room.
Contradiction: Two girls are swimming.
Contradiction: the dogs are playing with each other