Assertion: ufo | /r/HasProperty | unusual apparent anomaly
Facets:
value: in the sky
type: LOCATION
Source sentences:
text: An unidentified flying object, often abbreviated UFO or U.F.O., is an unusual apparent anomaly in the sky that is not readily identifiable to the observer as any known object.
text: An unidentified flying object, often abbreviated UFO or U.F.O., is an unusual apparent anomaly in the sky that is not readily identifiable to the observer as any known object.