Anchor: A year ago, when News Quiz debuted, Slate was free.
Entailed: Slate was free a year ago, when News Quiz debuted. 
Contradiction: Slate currently costs money, and has since its' inception. 
Contradiction: Stanley Market is not known at all.
Contradiction: The man tried tying the cow down with the rope.
Contradiction: I use them all the time.
Contradiction: Can we be friends again?