Premise: Many dispute the modern scientific tests that have proven it to be a medieval fabrication, and crowds of faithful and merely curious still visit its black marble chapel, a masterpiece of Guarini's High Baroque, with its cone-shaped, six-tiered dome formed by a web of intersecting arches that rise to a 12-pointed star.

Hypothesis: Scientific tests did not succeed in proving it to be a fabrication of the medieval era. 
Relation: contradiction