Anchor: yeah i had a friend who lived in Dumas
Entailed: There is a friend of mine who lived in Dumas.
Contradiction: I'm sure none of my friends lived in Dumas.
Contradiction: The Spearmint Rhino is not an appropriate option.
Contradiction: Cheerleaders perform.
Contradiction: You will find yourself walking through a narrow alleyway. 
Contradiction: The hallway they were walking down wouldn't have been out of place in Chicago.