Premise: This collection of nine centuries of paintings includes important works by Giotto, Fra Angelico, Perugino, Raphael's Transfiguration (his last great work), Leonardo da Vinci's unfinished St. Jerome, Bellini's Piet? , and Caravaggio's Descent from the Crose

Hypothesis: The paintings in the collection all come from the same century.
Relation: contradiction