Anchor: Two dogs holding red balls in their mouth, running in the snow.
Entailed: Two dogs running in the snow while carrying red balls in their mouths.
Contradiction: A dog sleeping on a bed in front of a fireplace.
Contradiction: Acid rain and sulphur are kept in biohazard containers and never dumped.
Contradiction: The smell of those memories is what does it for me. 
Contradiction: No one is trying to clone human embryos.  
Contradiction: A man is smoking and working in a field.