Anchor: However, as noted above, additional actions are necessary in order to address several remaining systemic issues.
Entailed: Additional actions are necessary in order to address remaining system issues
Contradiction: No additional actions are necessary to address system issues
Contradiction: The lump is Kathie Lee Gifford's breast was malignant. 
Contradiction: A man is playing in public with other people.
Contradiction: A group of teenagers plays tennis at the park
Contradiction: People ride on a boat.