Assertion: ufo | /r/HasProperty | identified as known object
Facets:
Source sentences:
text: Once a UFO is identified as a known object (for example an aircraft or weather balloon), it ceases to be a UFO and becomes an identified object.
text: Once a UFO is identified as a known object (for example an aircraft or weather balloon), it ceases to be classified as a UFO and is reclassified as an identified object.