Anchor: One black dog and one mixed color dog run down a hill.
Entailed: Two dogs are running.
Contradiction: Two black dogs are playing fetch.
Contradiction: The quad runner breaks down.
Contradiction: While two workers standing in a tunnel one is digging further with a shovel
Contradiction: A man swims to shore after his surfboard was smashed by a whale.
Contradiction: Though the rooms are nice, the soothing scenery is the real draw.