Anchor: I needed to help her.
Entailed: I had to give her assistance. 
Contradiction: I did not need to help her. 
Contradiction: Paying off one card with another is a perfectly valid way to help you budget your household.
Contradiction: Two women are walking.
Contradiction: Stores don't usually carry stock and you have to special order what you want.
Contradiction: The newspaper is able to be read.