Anchor: The mansion's split-level library would make any bibliophile jealous.
Entailed: The library was on more than one level.
Contradiction: There were no book sin the mansion at all.
Contradiction: No access to confidential memos is permitted.
Contradiction: The man is on the roof
Contradiction: A woman is talking to a crowd
Contradiction: Going down the staircase lets one see close-ups of the cathedral's construction.