Anchor: did you teach in all subjects or in all grade levels or
Entailed: Were you teaching all the subjects?
Contradiction: You were not a teacher, were you?
Contradiction: two men are fighting with each other
Contradiction: The year of Hilliker's term the foundation expects large funding cuts from several monetary sources.
Contradiction: The person is skating on a frozen lake.
Contradiction: The arrows were too late when they hissed.