Anchor: Police patrolled the downtown streets on their motorcycles.
Entailed: Some people are riding motorcycles.
Contradiction: No police vehicles are present.
Contradiction: The musicians are driving to their homes.
Contradiction: They came to take a look at me. 
Contradiction: The VSLY is for everyone under the age of 20.
Contradiction: The men appeared at court wearing tunics that said 'Bring Back Oliver Cromwell.'