Anchor: A man works on constructing the stairway in a building.
Entailed: A man is building stairs somewhere.
Contradiction: A man is falling down stairs.
Contradiction: It was constructed in 1955, and not rebuilt since.
Contradiction: Tuppence is a lady.
Contradiction: None of the lakes, farmlands or peaks are protected.
Contradiction: The person is sprawled on the park bench.