Anchor: A man and woman perform a martial arts demonstration with practice katanas in front of an audience in an outside park like environment.
Entailed: There are katanas.
Contradiction: The audience is indoors.
Contradiction: The school cafeteria is crowded.
Contradiction: Essentially you are utilizing it simply as a word processor.
Contradiction: Food to eat, you know.
Contradiction: There are places outside to rest after viewing the artwork.