Anchor: The athlete perfomed a trick as the large crown watched.
Entailed: An athlete was performing for many people.
Contradiction: The athlete was seated watching someone perform a show.
Contradiction: Clean coal is totally unregulated. 
Contradiction: Smith has a very wide range of knowledge and has more than enough ideas.   
Contradiction: A woman is sitting on the bus.
Contradiction: It changes on how i Feel that day.