Assertion: volcano's vent | /r/CapableOf | erupt forth onto the surface
Facets:
value: periodically
type: TEMPORAL
value: lava
type: TRANSITIVE-OBJECT
Source sentences:
text: A vent or fissure on the surface of a planet (usually in a mountainous form) with a magma chamber attached to the mantle of a planet or moon, periodically erupting forth lava and volcanic gases onto the surface.