Premise: Take a trip to nearby Conca dei Marini to visit the stalactites of the Grotta di Smeraldo or Emerald Grotto, where the waters are as brilliantly emerald green as those of Capri's Grotta Azzurra are blue, believed by many to be even more beautiful.

Hypothesis: The Emerald Grotto is named after its shimmering green waters.
Relation: entailment