Anchor: A child on a red disc sled slides down a small snow-covered hill.
Entailed: A child is sledding.
Contradiction: A boy is running down a mountain.
Contradiction: The man is smoking a pipe.
Contradiction: A nonexchange transaction is when one party gets something without giving something of the same value in return.
Contradiction: eBay doesn't generate any data and it's unlikely that these theories will be the stuff of doctoral theses.
Contradiction: there is a yoga instructor