Assertion: black hole's pull | /r/HasProperty | light
Facets:
Source sentences:
text: Nothing can escape the massive gravitational pull of a black hole, not even light.
text: Nothing can escape its gravitational pull, not even light, which make them utterly dark and practically invisible.
text: The extremely dense and massive objects have such a strong gravitational pull that nothing — not even light — can escape if it gets too close.