Anchor: There is a million-to-one chance that the clone was not of an adult ewe but of a fetus the ewe was carrying.
Entailed: There's a very slim chance that the clone is of the ewe's fetus.
Contradiction: There is absolutely no chance that the clone is of anything but the ewe herself.
Contradiction: Once grandma died, no one was interested in gardening. 
Contradiction: The train is not a good place to ride a bicycle
Contradiction: The site is just as it's always been.
Contradiction: A man is on a lake.