Anchor: 6 It is not uncommon for modern FGD systems to achieve 97 percent utilization of limestone.
Entailed: It's not uncommon for fdg systems to use 97% limestone 
Contradiction: Fdg doesn't use any limestone 
Contradiction: Two boys are indoors.
Contradiction: Attorney Robert Hamrick applied it pro bono.
Contradiction: The music critics didn't have any complaints about the computer.
Contradiction: A man is walking.