Anchor: One of the primary pieces of specialized construction equipment that can be useful for SCR installations are tall, heavy-lift cranes, and These appear to be in adequate supply.
Entailed: They used a lot of cranes as the primary equipment.
Contradiction: The construction did not make use of heavy duty cranes.
Contradiction: The boy is standing near the ocean
Contradiction: A man is skiing.
Contradiction: I was looking all over the place for a restroom. 
Contradiction: There is a man.