Anchor: Ozone causes decreased agricultural and commercial forest yields, increased mortality and reduced growth of tree seedlings, and increased plant susceptibility to disease, pests, and environmental stresses (e.g.
Entailed: Agricultural yields can be affected by ozone levels.
Contradiction: Ozone levels do not have any negative effect on plants.
Contradiction: The men are looking at a wall.
Contradiction: A man is kicking a soccer ball.
Contradiction: Two women clean the bathrooms of the apartment.
Contradiction: They are loose statements, naturally.