Anchor: Not surprisingly, when the obese patients stopped taking these drugs, their weights returned to baseline levels.
Entailed: When obese patients stopped using the drugs, their weights came back to normal levels.
Contradiction: When obese patients stopped taking the drugs, their weights increased.
Contradiction: the girl was swimming fast
Contradiction: Could that be what you really mean?
Contradiction: The girls are wearing boots
Contradiction: a boy plays with a toy car on the grass