Anchor: Christopher Columbus, not yet a sailor of any renown, sailed to Madeira on an assignment to buy sugar cane.
Entailed: Columbus sailed to Madeira to purchase sugar cane.
Contradiction: Columbus sailed to Madeira to visit his long distance girlfriend.
Contradiction: We read.
Contradiction: Aiming at features of what kind?
Contradiction: Two women are sitting down with plates of food and glasses of yellow-colored drink.
Contradiction: Warm had previously solved problems relating to inorganic computer matter.