Anchor: 'That isn't the way you came,' one of the policemen observed.
Entailed: The cop knew this wasn't the way you came. 
Contradiction: The cop had no idea from where you had come. 
Contradiction: the man is asleep on the bridge
Contradiction: If you introduced a newcomer with enough pull, they could make a myriad of changes.
Contradiction: The person is on a bicycle.
Contradiction: A little girl is riding a tricycle.