Anchor: The Slate Briefing Channel is an automatic daily download of new material from Slate 's Briefing section (Today's Papers, The Week/The Spin, Summary Judgment, In Other Magazines, etc.).
Entailed: The Slate Briefing Channel provides fresh, up to date information from Slate's Briefing section.
Contradiction: The Slate Briefing Channel gets updated with news when the user manually updates it.
Contradiction: Banning and disapproving. 
Contradiction: A dog catches an object.
Contradiction: There is no reliable method for calibrating WTP functions.
Contradiction: People canoe down a river.