Anchor: A man in a black hat prepares to shine the brown shoes of a seated customer.
Entailed: The man is cleaning shoes.
Contradiction: The man is digging a hole.
Contradiction: The sun has just blown up
Contradiction: Because it had not occurred to anyone to look there during the first seven days, there was very little chance that they would look there at any point after that. 
Contradiction: She is a tiny one.
Contradiction: Looking at displays in store windows shows things like watches, exotic clothing and crystal.