Anchor: The brown mountains have snow on them and there are clouds in the sky.
Entailed: Mountains with snow with clouds.
Contradiction: Snow on a hill on a clear day.
Contradiction: The woman and her dog cuddle on the sofa.
Contradiction: We can kill them all by staying together. 
Contradiction: Kids learning to breakdance.
Contradiction: It's a very unpleasant thing, that's true.