Assertion: cave's discovery | /r/HasProperty | placed inside the cave
Facets:
value: on sunday
type: TEMPORAL
Source sentences:
text: the discovery in 1883 of Marengo Cave, one of the largest caves in Indiana, by Blanche and Orris Hiestand, a bronze marker commemorating the event was placed inside the cave on Sunday, December 8, by Mrs. Kate White, of Indianapolis, and Mrs. James Tinkler, of Georgetown sisters of the Hiestands.