Take the following as truth: The cathedral museum exhibits two major works by Ferrara's 15th-century master Cosmy Tura, St. George and the Annunciation, and sculptures by Jacopo della Quercia, Madonna of the Pomegranate and St. Maurelius.
Then the following statement: "The cathedral contains only one major masterpiece of the master Cosmy Tura.  " is true, false, or inconclusive?
Answer: False