Premise: Key features are the horseshoe-shaped staircase (Escalier du Fer-? -Cheval) at the end of the stately Cour du Cheval Blanc; the Renaissance ballroom whose ornate ceiling is reflected in the parquet floor; and the allegorical paintings in the Galerie Francois Ier.

Hypothesis: The floor of the Renaissance ballroom is made of porcelain tile.
Relation: contradiction