Assertion: comet | /r/HasProperty | alien intruder
Facets:
value: from another star system
type: LOCATION
Source sentences:
text: The comet is an alien intruder from another star system.
text: it’s long and narrow like a cigar — and incredible speed made some scientists question whether it was actually an alien probe that was sent to survey star systems.
text: The comet is an alien intruder from another star system.