Anchor: A brown and black dog is chasing a black dog in the snow.
Entailed: Two dogs are running outside.
Contradiction: Two dogs are running through the grass.
Contradiction: two rugby players headbutt each other.
Contradiction: I'm not sure send them to Iraq for a year long vacation or something. 
Contradiction: In most cases, there are markets in which to directly observe WTP for these types of commodities.
Contradiction: Its rare that the clients earn a positive net interest.