Anchor: For example, the computer vendor relied on a security manager in each of the organization's four regional business units, while the utility's nine-member central group relied on 48 parttime information security coordinators at various levels within the company.
Entailed: The vendor for computers needed a security manager in all the organization's business units.
Contradiction: The vendor didn't need anything from the organization.
Contradiction: They questioned if the bicycle was a commodity. 
Contradiction: Hotels do dancing nights.
Contradiction: Reagan was not the president.
Contradiction: The trips go on for 60 to 75 minutes.