Anchor: Some scientists have estimated that the sum of these tiny organisms spread deep within the Earth outweighs all the forms of life on the surface combined.
Entailed: Some scientists think that the organisms that are spread deep within the earth outweigh forms of life on the surface. 
Contradiction: There are no tiny organisms present anywhere on earth. 
Contradiction: The basketball players are taking a rest.
Contradiction: There are people playing a soccer game.
Contradiction: A cat is stretching  in the sun.
Contradiction: the child has a toy