Assertion: octopus | /r/HasProperty | threatened by predator
Facets:
Source sentences:
text: When threatened by predators, most octopuses release a thick cloud of black ink, composed primarily of melanin (the same pigment that gives human beings their skin and hair color).
text: When threatened by predators, most octopuses release a thick cloud of black ink, composed of melanin (the same pigment that gives humans their skin and hair color).