Assertion: volcano's vent | /r/HasProperty | filled with air
Facets:
Source sentences:
text: Where silane breaks into a quiescent volcanic vent filled with air, a detonation and fiery effluence follow, the scenario reported by witnesses of the Krakatoa and Tambora volcanic events of the 19th century: an enormous explosion, a column of fire, and a rain of siliceous ash from a mushroom cloud.