Assertion: cave | /r/HasProperty | discovered
Facets:
Source sentences:
text: It is named after the shire president at the time that the cave was discovered.
text: Ever since these caves were first discovered tourist from around the United States have come to visit these caves and caverns such as Luray, Skyline, Ozark and Mammoth.
text: The cave was discovered when a team and wagon sank 8 feet into the ground while being loaded with fruit from a railroad car.
text: More importantly, the number of caves that have been discovered is thought to be just a tiny fraction of all of the caves that exist.