Anchor: The Act fosters service innovation by assigning the Postal Service responsibility to provide types of mail service to meet the needs of different categories of mail and mail users[.
Entailed: The Postal Service has received the responsibility to provide types of mail service of different users.
Contradiction: Innovation in the Postal Service is strangled by the new Act's rigidity.
Contradiction: I didn't ask anyone. 
Contradiction: After seven days or so, your toes start to develop blisters.
Contradiction: A man has just won a tennis match.
Contradiction: There are some differences.