Anchor: A person is swimming in crystal clear ocean water while his or her boat is anchored in the background.
Entailed: A person is swimming in the ocean.
Contradiction: A person is laying in the grass.
Contradiction: Tommy walked away from the shelter of a porch.
Contradiction: She went to the bakery on Saturday in the afternoon. 
Contradiction: A man stands as he lights a candle.
Contradiction: You can see it over the arches.