Assertion: caldera | /r/CapableOf | form island
Facets:
value: in crater lake
type: LOCATION
Source sentences:
text: One of these eruptions was so large it formed an island in Crater Lake named Wizard Island.
text: The caldera is part of a volcanic island group (Krakatoa Archipelago) comprising four islands: two of which, Lang and Verlaten, are remnants of a previous volcanic edifice destroyed in eruptions long before the famous 1883 eruption; another, Rakata, is the remnant of a much larger island destroyed in the 1883 eruption.