Anchor: An Olympic skater in a blue dress moves on the ice on one blade.
Entailed: An olympic skater in a blue dress doing tricks on open ice.
Contradiction: A olympic boxer prepares for his match.
Contradiction: A crowd of Norwegians are walking down the street.
Contradiction: A person is holding something.
Contradiction: Our field work did not last beyond December 2000.
Contradiction: Technology can have an effect on total factor productivity.