Anchor: Although we attempted to be as thorough as possible within the scope of our study, we recognize that more work in this area remains to be done, including a more in-depth study of individual practices.
Entailed: More work is necessary. 
Contradiction: More work is not necessary. 
Contradiction: The people were driving on the freeway.
Contradiction: There's four stories of memorabilia dedicated to a candy.
Contradiction: Adrin was much bigger than The Kal.
Contradiction: Education was highly regarded and respected.