Anchor: A construction crew is working on a job.
Entailed: A construction crew is working.
Contradiction: A group of construction workers perform various cat calls at passing women.
Contradiction: The final rule talks a lot about the affects on existing rules.
Contradiction: The well-trained horse broke into a cantor when he tightened the reins.
Contradiction: It was not at all enjoyable as there was a horrible atmosphere. 
Contradiction: The Royal and Grand Canals are to the north and south.