Anchor: Hire a regular columnist to write every Sunday.
Entailed: Hire a columnist who writes regularly on Sundays.
Contradiction: There is no need for a Sunday columnist.
Contradiction: They let the women go without harm. 
Contradiction: The front-runner would soon be attacked by Buchanan.
Contradiction: The two boys are swimming in a pond at the moment.
Contradiction: A janitor is cleaning paint off a wall.