Anchor: A black and tan dog and a black and white dog are playing ball in the grass.
Entailed: Two dogs are playing outside.
Contradiction: The animals are sitting on the porch.
Contradiction: Microsoft has a big share of the market, but has no critics despite this fact.
Contradiction: He came here because of what I said.
Contradiction: There are girls in the swimming pool.
Contradiction: a couple of animals are running