Assertion: ufo | /r/HasProperty | any object
Facets:
value: necessarily
type: DEGREE
Source sentences:
text: UFO, also known as a flying saucer, is any object sighted in the atmosphere or in the outer space that is not easily or immediately identifiable to the perceiver.
text: I am not happy about saying that a UFO is necessarily an "object", but I'm not sure what to do about this.
text: A UFO (Unidentified Flying Object) is any object flying in the sky which cannot be identified by the person who sees it.
text: A UFO (Unidentified Flying Object) is any object flying in the sky which cannot be identified by the person who sees it.
text: A UFO or unidentified flying object is any object or optical phenomenon observed in the sky which cannot be identified, even after being thoroughly investigated by qualified people.
text: A UFO (Unidentified Flying Object) is any object flying in the sky which cannot be identified by the person who sees it.
text: A UFO or unidentified flying object is an object observed in the sky which has the appearance of motility or impermanence and is not readily identifiable.
text: A UFO is an object seen in the sky or landing on Earth which cannot be identified and which is often believed to be from another planet.
text: Well, according to United States Air Force Regulation 80-17 (dated 19 September 1966), a UFO is "Any" aerial Phenomenon or object which is unknown or appears to be out of the ordinary to the observer.