Anchor: A construction worker is balancing on some scaffolding.
Entailed: A construction worker is standing on some pieces of a construction site.
Contradiction: The construction worker is dancing the river dance on the roof of the construction site.
Contradiction: The red machine is being lifted by elevator.
Contradiction: She couldn't find it at lunchtime and asked me to look for it.
Contradiction: People are standing on electrical equipment.
Contradiction: The postal service may still be profitable if the discount is increased.