Assertion: tern's plumage | /r/HasProperty | reduces
Facets:
value: in both cases
type: TEMPORAL
value: to be for camouflage
type: PURPOSE
value: at sea
type: LOCATION
Source sentences:
text: The plumage of seabirds is thought in many cases to be for camouflage, both defensive (the colour of US Navy battleships is the same as that of Antarctic prions, and in both cases it reduces visibility at sea) and aggressive (the white underside possessed by many seabirds helps hide them from prey below).