Anchor: Another curious enigma about Columbus that has baffled historians is that no reliable likeness of him has ever survived.
Entailed: No reliable depiction of Columbus has survived.
Contradiction: Numerous reliable depictions of Columbus have survived over the years.
Contradiction: A boy is playing with a dog.
Contradiction: Bright and Junod testified.
Contradiction: The boy is shoveling snow.
Contradiction: Newspapers have to be recycled.