Anchor: For example, the 550 MWe boiler at Kansas City Power &amp; Light Company's Hawthorne Generating Station required rebuild and NOX, SO2, and PM simultaneous control retrofits.
Entailed: The Hawthorne Generating Station required several simultaneous refits.
Contradiction: The Hawthorn Generating Station required no modifications to meet standards.
Contradiction: They can be found in dry places or on top of bricks. 
Contradiction: A scientist using a microscope.
Contradiction: Women in a dance troop are taking a break from dancing.
Contradiction: People making music together