Assertion: geyser's activity | /r/CapableOf | shift to giant
Facets:
value: cyclically
type: MANNER
value: from grotto geyser
type: OTHER
value: before 1955
type: TEMPORAL
Source sentences:
text: Before 1955 hydrothermal activity shifted cyclically from Grotto Geyser to Giant every four to five years, but since the 1959 earthquake, energy has vented through Grotto Geyser.