Assertion: cave's ice | /r/HasProperty | permanent
Facets:
Source sentences:
text: Depending on the shape of a cave and its entrance, caves can trap cold air and contain permanent ice.
text: Depending on the shape of a cave and its entrance, caves can trap cold air and contain permanent ice.
text: Depending on the shape of a cave and its entrance, caves can trap cold air and contain permanent ice.
text: Some caves at high latitudes or high elevations have either permanent or seasonal ice.