Anchor: The old man is sitting alone in the park possibly eating a snack or lunch.
Entailed: There is an old man sitting alone.
Contradiction: There is an old man sitting with his wife.
Contradiction: There are no provider types of technologies offered.
Contradiction: Tony Judt says that Sidney Blumenthal is being disingenuous with the claim in The New Yorker. 
Contradiction: Jon was looking underwater. 
Contradiction: a person is crawling outside.