Anchor: An old man with a beard is sitting on a milk crate on the street.
Entailed: A man is sitting on a crate.
Contradiction: A man is standing by a crate.
Contradiction: A man is tying his shoes.
Contradiction: Ah! said Sir james in a contemplative manner. 
Contradiction: Visibility is measured in centimeters.
Contradiction: Some organizations must protect the confidentiality of information they rely on.