Anchor: 'I need to use the bathroom first,' I shot back, quickly darting out of sight.
Entailed: I had to go to the bathroom and left. 
Contradiction: I didn't have to use the bathroom and stayed right where I was. 
Contradiction: The people are walking their cats.
Contradiction: People are gathering to listen to a speech.
Contradiction: He could make a model that could surpass it.
Contradiction: Two dogs are outside.