Premise: Excursions further up the mountain take you to two medieval fortresses, on foot to Cetello di Taormina and, by car along a winding road, to Cetelmola, for grand views, although the summit of Etna is almost always swathed in clouds.

Hypothesis: There are two excursions up the mountain to medieval fortresses; Cetello di Taormina and Cetelmola.
Relation: entailment