Anchor: Microsoft's inclusion of IE with Windows does not prevent computer manufacturers from installing competing browsers or putting those browsers on the desktop.
Entailed: Microsoft included IE on windows.
Contradiction: Microsoft made IE optional.
Contradiction: The American did not think there was a village around here.  
Contradiction: The girls were playing volleyball.
Contradiction: The two men are drinking water at the bar.
Contradiction: people are being watched by police as they protest