Assertion: narwhal | /r/CapableOf | vocalize knock
Facets:
value: primarily
type: DEGREE
value: through "clicks"
type: MANNER
Source sentences:
text: Narwhals primarily vocalize through "clicks", "whistles" and "knocks", created by air movement between chambers near the blow-hole.
text: Narwhals primarily vocalize through "clicks", "whistles" and "knocks", created by air movement between chambers near the blow-hole.