Take the following as truth: They measure 2 1.2 km (1 1.2 miles) long, averaging 12 meters (40 feet) in height, with 88 towers and an estimated 2,500 niches suitable for sentries or marksmen.
Then the following statement: "Marksmen used this tower in the eighteenth century." is true, false, or inconclusive?
Answer: Inconclusive