Anchor: The brown dog is bringing back a stick on green grass.
Entailed: A dog is fetching.
Contradiction: A dog rests in the sun.
Contradiction: I could not be possible that this place is where Tuppence went.  
Contradiction: Companies in small towns in Maine and New Hampshire would spend twelve weeks making furniture during winter.
Contradiction: A boy is swimming.
Contradiction: Two old men are out in the public.