Take the following as truth: The finest materials were used in its construction white marble from the islands of the Marmara, verd antique from Thessaly, African yellow marble, gold and silver from Ephesus, and ancient red porphyry columns that possibly came from Egypt and may once have stood in the Temple of the Sun at Baalbek.
Then the following statement: "The construction began in 1296 and lasted for 30 years." is true, false, or inconclusive?
Answer: Inconclusive