Anchor: Selecting Texas, North Carolina, and Arkansas would be a reasonable worst-case choice.
Entailed: If one selects those states, including Texas, it would be a reasonable worst-case choice.
Contradiction: If one selects those states, including Texas, it would be a reasonable best-case choice.
Contradiction: A woman eats dinner.
Contradiction: There is a group of women.
Contradiction: A man is leading another man on a donkey.
Contradiction: That is my favorite form of exercise.