Anchor: The boat is in the middle of the water.
Entailed: There is a boat in the water.
Contradiction: The boat is in the middle of a field.
Contradiction: The loan has a lot of time left on it. 
Contradiction: We decided that she would stay at home after we had kids.
Contradiction: People are free to interfere with investigations without fear of facing any consequences.
Contradiction: The Oviatt Building is located at 617 South Olive Street.