Anchor: 30% is a decrease in concentration or deposition compared to current conditions (an improvement)
Entailed: There has been a decrease compared to current conditions.
Contradiction: There has been a 40% increase compared to current conditions.
Contradiction: The people were driving on the freeway.
Contradiction: The man is near the windows of a building.
Contradiction: Roseanne is a terrible show and it infuriates me to watch it.
Contradiction: A man and woman are on a seesaw outside.