Anchor: A musician plays a guitar on stage in a venue.
Entailed: A person play an instrument on stage.
Contradiction: There is a hobo playing a trumbone on stage at venue.
Contradiction: The legally fastidious point to sex instead of perjury.
Contradiction: the people were spying
Contradiction: Three men are repairing a roof.
Contradiction: Some applicants have to modify their proposals and provide more thorough information.