Anchor: A woman wearing a black hat grinds flour using two stones.
Entailed: The woman grinds flour with stones.
Contradiction: The woman wearing blue used a mixer to grind the flour.
Contradiction: There are no Mobil stations in our area.  
Contradiction: He was hoping to win favors from companies. 
Contradiction: A young man opens a package.
Contradiction: The kids ran fast on the red track.