Assertion: ufo | /r/HasProperty | objective phenomenon
Facets:
Source sentences:
text: Check out any random UFO site on the net, and chances are they'll be advancing some version of the "weird flying disks in old paintings are proof that UFOs are an objective phenomenon and not a creation of the 21st century imagination" argument.
text: Not all ufologists believe that UFOs are necessarily extraterrestrial spacecraft, or even that they are objective physical phenomena.
text: Check out any random UFO site on the net, and chances are they'll be advancing some version of the "weird flying disks in old paintings are proof that UFOs are an objective phenomenon and not a creation of the 21st century imagination" argument.