Assertion: keel | /r/CapableOf | seek to explain ufo
Facets:
value: according to keel
type: OTHER
value: as extraterrestrial visitations
type: OTHER
Source sentences:
text: According to Keel, he initially sought to explain UFOs as extraterrestrial visitations, but later abandoned this hypothesis.
text: According to Keel, he initially sought to explain UFOs as extraterrestrial visitations, but later abandoned this hypothesis.