Anchor: It is raining and a blond woman is holding her head in happiness.
Entailed: The woman has blonde hair.
Contradiction: The woman is sad.
Contradiction: The dog is swimming in the middle of the ocean.
Contradiction: If it doesn't give a reproductive advantage it is pointless to consider it. 
Contradiction: The policeman rides his horse past a foreign exchange counter.
Contradiction: The major parts of the strategic plans are due before July of 1996.