Anchor: The typical middle-class family paid only the new gas tax.
Entailed: Most middle glass families just pay the new tax on gas.
Contradiction: Middle class families are except from the gas tax.
Contradiction: Two black chihuahuas are playing together.
Contradiction: A customer is shopping.
Contradiction: The storage silo is one of ten large pieces of equipment.
Contradiction: What do you think of the metric system?