Anchor: The prolific Rubens is represented by dozens of paintings in the Prado.
Entailed: The Prado contains over twenty paintings from Rubens. 
Contradiction: The Prado museum does not contain any paintings done by Rubens.
Contradiction: The man is watching a show.
Contradiction: A crank is someone who writes multiple books on a subject they do not understand.
Contradiction: The students were at a rally.
Contradiction: More than one person conversing works in law enforcement.