Anchor: If my conclusions are right, that girl at Manchester was just a plant.
Entailed: I have reason to suspect that the girl at Manchester was merely a plant.
Contradiction: I have concluded that the girl at Manchester was not at all a plant.
Contradiction: A man and woman are riding in a taxi.
Contradiction: The people are on the train
Contradiction: I would not ask the dealer any questions.
Contradiction: Women experience menstruation on a typical twenty eight day lunar cycle.