Assertion: ufo | /r/HasProperty | the subject of investigations
Facets:
Source sentences:
text: UFOs have been the subject of investigations by various governments who have provided extensive records related to the subject.
text: UFOs have been the subject of investigations by various governments who have provided extensive records related to the subject.
text: UFOs have been the subject of investigations by various governments who have provided extensive records related to the subject.
text: UFOs have been the subject of investigations by various governments who have provided extensive records related to the subject.