Anchor: The leading example of such an auction is the stock market.
Entailed: The biggest example of such an auction is the stock exchange.
Contradiction: The stock market is not counted as an auction.
Contradiction: No more testing for these approaches is needed. 
Contradiction: The girls are inside.
Contradiction: The EPA have calculated that there will be no benefits for air quality because the number of hydrocarbons will increase.
Contradiction: The lady is speaking.