Anchor: This information was then used to justify annual budget requests when additional virus detection software was needed.
Entailed: When additional virus detection software was needed, this information was used to justify annual budget requests.
Contradiction: Additional virus detection software was not needed, and this information had nothing to do with annual budget requests.
Contradiction: dog sleeps in bed
Contradiction: Competitors might need a change of address system that would be best operated by a third party.
Contradiction: the people ate at the park
Contradiction: There is a woman outside in front of a building.