Anchor: A team of dogs pulls a sleigh holding two people across the snow.
Entailed: The dogs and people are outside.
Contradiction: The dogs and people are asleep on the couch.
Contradiction: Cheney is a pussy.
Contradiction: Twice as Many Members of the Population will be Considered Aged From Today as a Share of Total U.S.
Contradiction: There is no program in place to ensure that one author doesn't duplicate the work of another author. 
Contradiction: Hundreds of people are gathered