Assertion: ufo | /r/HasProperty | thing
Facets:
Source sentences:
text: Yet some skeptics continue to argue that because the acronym UFO includes the word "Unidentified", UFOs could be anything at all, including those things that the official definition excludes.
text: Although the word "UFO" and the phrase "flying saucer" are now firmly imbedded in the modern English language, and are synonyms used to convey the idea of alien craft, the use of the word "Unidentified" has left the door open for skeptics to claim that UFOs could be anything at all, including all those things that the official definitions above were meant to exclude.