Anchor: Presidents and their speech writers have mined their predecessors for memorable words and repeated them without attribution.
Entailed: Presidents' speech writers copy previous administrations' words without attribution.
Contradiction: Presidential speech writers avoid previous presidents' words like the plague.
Contradiction: The children are playing volleyball.
Contradiction: A group of kids are outside.
Contradiction: Make bad assumptions about energy efficiency 
Contradiction: A warrior stares off.