Anchor: For example, an average is a convention that creates a single number to represent the collection of all the numbers in a set.
Entailed: An average shows one number to represent everything in the set.
Contradiction: A median shows one number to represent everything in the set.
Contradiction: A man and a boy read a book together.
Contradiction: A man is shaving.
Contradiction: A girl practices gymnastics.
Contradiction: An automatic teller was stolen from police headquarters.