Anchor: Yes, that's not a bad idea. Proceeding up the road, they soon came to a little hamlet.
Entailed: When they traveled up the road, they came to a small village.  
Contradiction: When they traveled down the road, they found a very large city.  
Contradiction: A person is taking a picture of a blue railroad car with a Polaroid camera.
Contradiction: Reviewers have argued that long-term estimates could be biased and that short-term estimates might also have a low bias.
Contradiction: All of the chairs have people sitting in them.
Contradiction: Six to 9 years olds have tripled the amount of homework done since 1981