Anchor: It is a 3-km (2-mile) tunnel of bamboo surrounded by sugar cane, with somnolent grazing cattle tethered along its length.
Entailed: The tunnel is made of bamboo and is surrounded by sugar cane.
Contradiction: The tunnel is over four miles long.
Contradiction: Two teenage girls play with legos.
Contradiction: Limestone is a reagent.
Contradiction: Three old men are carrying purses
Contradiction: Auditors ought to search for cost and schedule discrepancies using cost models.