Anchor: A black and brown dog with a brown dog in a grassy field with patches of white.
Entailed: There are multiple dogs in the grassy field.
Contradiction: The dogs are sitting in the house.
Contradiction: The Peace Corps is pretty lax in rules. 
Contradiction: An animal is seen.
Contradiction: There are six workers sitting in a truck at a road construction site
Contradiction: Auditors should know the agency's procedures for making a contract world.