Assertion: ufo | /r/HasProperty | ifo
Facets:
value: sometimes
type: TEMPORAL
Source sentences:
text: If it was proven to be a lenticular cloud, weather balloon, or the like, then it is considered an IFO.
text: UFOs that can be explained are sometimes termed "IFOs" or Identified Flying Objects.
text: If it was proven to be a lenticular cloud, weather balloon, or the like, then it is considered an IFO.