Anchor: My mom went here 30 years ago and there were couches on the porches, she said.
Entailed: When my mom was here 30 years ago, she said people kept couches on their porches.
Contradiction: My mom was never there and knew nothing about the couches.
Contradiction: We have no need to enhance our ability to use modern technology.  
Contradiction: Someone is riding a bull.
Contradiction: The men are controlling their computers with their mind instead of a mouse or keyboard.
Contradiction: As businesses moved in and bad crime organization were slowly pushed, a new Las Vegas came to be.