Anchor: There has been a great deal of controversy and significant development of both theoretical and empirical knowledge about how to conduct CV surveys in the past decade.
Entailed: There is a lot of controversy over theoretical knowledge about conducting CV surveys in the past decade.  
Contradiction: There were no CV surveys in the last decade.  
Contradiction: A young boy is running in a ditch
Contradiction: I won't turn down an unreasonable offer. 
Contradiction: I kept my eyes averted from him.
Contradiction: A woman is walking by a restaurant that serves fast food.