Assertion: zone's light | /r/CapableOf | become limited
Facets:
value: at depths below about 200 meters
type: LOCATION
value: in water
type: LOCATION
value: in its significance
type: OTHER
value: very
type: DEGREE
Source sentences:
text: This is also known as the twilight zone because light becomes limited.
text: In water, light becomes very limited in its significance at depths below about 200 meters.