Anchor: A professor is giving a lecture to students in a classroom.
Entailed: A teacher is teaching his class.
Contradiction: The classroom is empty.
Contradiction: The columnist must have an article done by the end of the week.
Contradiction: It's possible they have children in common.
Contradiction: The girls are eating chocolate and watching the firetruck as it goes down the street.
Contradiction: Potions are still being created in a variety of villages on Martinique and Guadeloupe.