Anchor: The boy in red goggles swims underwater.
Entailed: A child is swimming.
Contradiction: A boy is using a towel to dry himself.
Contradiction: There are no new tram lines that go to Topkape.  
Contradiction: They must model the dispersion of pollutants through the atmosphere in the first place.
Contradiction: They aren't the least bit interested in having you perform the job.
Contradiction: two men in hard hats and bright work shirts are working hard