Anchor: yeah yeah yeah uh-huh but the drugs didn't work for long and they started having real bad side effects
Entailed: The drugs they took had negative side effects. 
Contradiction: The drugs side effects were virtually non-existent.
Contradiction: Two men are shopping.
Contradiction: The riders are parallel to the runners.
Contradiction: Brown thought everything must be overhauled.
Contradiction: While ad revenue went up, a lot of money was spent to attract new subscribers.