Anchor: This is an approach that is frequently used because engineers have developed cost effective methods to install the SCR reactor while addressing potential interferences from existing equipment.
Entailed: Engineers have found methods of installing the SCR reactor.
Contradiction: This approach is never used because engineers hate it.
Contradiction: Terrible deal. Let's keep on talking.
Contradiction: There is one statue of the young Pharaoh. 
Contradiction: The man in the purple shirt is performing a waltz.
Contradiction: a woman laying on the floor