Anchor: A woman rides a bicycle across the street while holding an umbrella.
Entailed: The woman is crossing the street.
Contradiction: The woman is riding a unicycle.
Contradiction: The Arches and the Mushroom Rock require a lot of explaining.
Contradiction: A fisherman has many clams.
Contradiction: The pre-modification value is simply the value that an asset was originally calculated at. 
Contradiction: Two young people are outside.