Anchor: However, during the decisive years between 2140 2040 b.c. , a split occurred between the two Kingdoms when rival power bases arose in Heliopolis in Lower Egypt and Thebes (modern Luxor) in Upper Egypt.
Entailed: The kingdoms split when a civilization popped up in Heliopolis.
Contradiction: The kingdoms split when a civilization disppeared in Heliopolis.
Contradiction: Two climbers are walking in a desert.
Contradiction: Stealth weapons blind the risk-averse public and policy-makers to the genuine perils of combat. 
Contradiction: Women are playing video games.
Contradiction: The ridiculous plot couldn't be compensated by the charisma of Wesley Snipes.