Assertion: wattle | /r/CapableOf | serve to amplify the birdscall
Facets:
value: in umbrellabirds
type: LOCATION
Source sentences:
text: In umbrellabirds the wattle serves to amplify the birds' call.
text: In umbrellabirds the wattle serves to amplify the birds' call.
text: In umbrellabirds the wattle serves to amplify the birds' call.
text: In umbrellabirds the wattle serves to amplify the birds' call.