Anchor: Curved swords hung on their hip and bows sat across their backs.
Entailed: They had bows on their backs.
Contradiction: They had no weapons.
Contradiction: A group of people play beach volleyball.
Contradiction: There is a list of hubs that can be reached by the ferry.  
Contradiction: A woman rollerblades through the park.
Contradiction: The girl is dancing with with people dressed in Scottish costumes.