Assertion: squid | /r/CapableOf | produce light
Facets:
value: for counter-illumination camouflage
type: PURPOSE
Source sentences:
text: It uses its abilities to sense and to produce light for counter-illumination camouflage: it matches the brightness and colour of its underside to the light coming from the surface, making it difficult for predators to detect it from below.
text: Some squids produce light.