Anchor: For boilers with fabric filters, the size of the silo would be less because of the lower sorbent injection rate.
Entailed: Fabric filters allow silos to be of smaller size.
Contradiction: Non-fabric filters require the silo size to be even larger.
Contradiction: A boy is sitting in the stands
Contradiction: The girl plays an outside sport.
Contradiction: the shop is out of business
Contradiction: The man is walking towards the escalator.