Anchor: A white dog is running into a river.
Entailed: The dog is going to get wet.
Contradiction: The dog is elderly and lame and can no longer run.
Contradiction: Expectations are not set by the general populous. 
Contradiction: A famished person is sitting outdoors.
Contradiction: They didn't expect you to disclose whether you'd been drinking before.
Contradiction: It is thought that there is no higher entrance gate in the world.