Anchor: A man is lying on the sidewalk.
Entailed: A man is lying outside.
Contradiction: A woman is lying on the sidewalk.
Contradiction: The Palazzo Grassi is from the 17th century.
Contradiction: I might buy something else, I am not stuck on one thing in particular. 
Contradiction: Bush is a liar and everybody knows it.
Contradiction: A man operating a machine.