Take the following as truth: Even without Leonardo da Vinci's masterpiece in the adjoining refectory, the church of Santa Maria delle Grazie (Via Caradosso, southwest of the Cetello) would be worth a visit as a jewel of Renaissance architecture.
Then the following statement: "Seven artists' work are visible in the church of Santa Maria delle Grazie." is true, false, or inconclusive?
Answer: Inconclusive