Anchor: the state agency held a biannual conference for systems administrators
Entailed: A conference was held twice a year for systems admins.
Contradiction: The state agency did not offer a biannual conference for systems administrators.
Contradiction: Reporting usually includes the data as measured by years on investment.
Contradiction: A lady at work.
Contradiction: The power generation contributes 100 percent of SO2.
Contradiction: A man is grinning.