Assertion: ufo | /r/HasProperty | sighted
Facets:
Source sentences:
text: Among the better sightings that were described fully to interested government groups were: the complete story of the Lubbock Lights, including the possible sighting of the same V-shaped light formations at other locations on the same night; the story of a group of scientists who detected mysterious nuclear radiation when UFO's were sighted; and all of the facts behind such famous cases as the Mantell Incident, the Florida scoutmaster who was burned by a "flying saucer," and headline-capturing sightings at Washington, D.C.