Anchor: if they started billing people by the pound things might change drastically
Entailed: Things would change a lot if they ended up billing by the pound. 
Contradiction: Billing people by the pound would only keep things just as they have been. 
Contradiction: There are no seafood restaurants in Baltimore.
Contradiction: The bicyclists on the trail rode past and electric pole.
Contradiction: A small boy is watching a monkey climb a tree.
Contradiction: There are two kids.