Anchor: A young boy walks across tracks in the snow.
Entailed: A boy is walking.
Contradiction: A boy runs up a hill.
Contradiction: They two key documents were written my Johan Smith. 
Contradiction: Senior management support for their participation in an information-sharing organization was critical to their success in obtaining valuable information.
Contradiction: England and Germany are the most corrupt European countries.
Contradiction: A group of people are eating.