Anchor: The installation of an FGD system requires a significant amount of labor.
Entailed: A lot of labor is required to install the FGD system.
Contradiction: It will not require any amount of significant labor to install an FGD system.
Contradiction: They fled to the top of the mountain.
Contradiction: Men are outside the store.
Contradiction: Julius, it is absolutely true.
Contradiction: Two dogs fight over a toy.