Assertion: caldera | /r/CapableOf | form continuous ring
Facets:
value: before the minoan eruption
type: TEMPORAL
value: nearly
type: DEGREE
Source sentences:
text: Before the Minoan eruption, the caldera formed a nearly continuous ring with the only entrance between the tiny island of Aspronisi and Thera; the eruption destroyed the sections of the ring between Aspronisi and Therasia, and between Therasia and Thera, creating two new channels.