Anchor: While nitrogen is an essential nutrient, its availability is naturally limited, making it an important factor in regulating the structure and functioning of both terrestrial and aquatic ecological systems.
Entailed: The structure and functioning of terrestrial and aquatic ecological systems are regulated by nitrogen.
Contradiction: Nitrogen is not an essential nutrient.
Contradiction: Kids are having dinner with their family
Contradiction: Louis XIV envisioned a monument to him in this Parisian square.
Contradiction: A man preparing to iron his clothes.
Contradiction: The person was riding a bike.