Anchor: The paintings that cover the walls depict the Nile at its most splendid with abundant fruit and depictions of wine-making.
Entailed: Nile paintings covered the walls. 
Contradiction: There were no paintings of the Nile on the walls. 
Contradiction: The Nile did not have a lot of fruit.
Contradiction: Men are digging a hole.
Contradiction: You could walk there alone at night, though I wouldn't advise it.
Contradiction: During peacetime, guns can be misplaced.