Anchor: 'Can't retreat.
Entailed: I'm unable to retreat.
Contradiction: We can retreat.
Contradiction: There is a man named Don Quixote.
Contradiction: While four teenagers were chasing a dog in 1940, they stumbled upon ancient frescoes and engravings that have been concealed for the last 17,000 years.
Contradiction: A person riding a bike.
Contradiction: A girl is kneeling.