Anchor: A young boy pulls another boy wearing a silly hat in a radio flyer wagon.
Entailed: Two boys outside.
Contradiction: Two boys playing video games.
Contradiction: The area outside of the school building is quiet and abandoned.
Contradiction: You can shop at RooseveltField.com whenever it's convenient for you. 
Contradiction: There isn't a methodology listed in any appendix. 
Contradiction: There is the grave of Greyfriars Bobby.