Anchor: Then the Home Office might have ordered exhumation. 
Entailed: If the previous, unstated sentence had happened, then they might have exhumed the body.
Contradiction: The Home Office wouldn't have exhumed the body regardless of the situation
Contradiction: I know it is.
Contradiction: The cows are eating.
Contradiction: There is a group of boys wearing orange jerseys playing basketball.
Contradiction: A man is looking at his computer screen.