Assertion: killer whale's family | /r/HasProperty | balaenopterids
Facets:
Source sentences:
text: Rorqual family (balaenopterids) use throat pleats to expand their mouths to take in food and sieve out the water.
text: Whales consist of eight extant families: Balaenopteridae (the rorquals), Balaenidae (right whales), Cetotheriidae (the pygmy right whale), Eschrichtiidae (the grey whale), Monodontidae (belugas and narwhals), Physeteridae (the sperm whale), Kogiidae (the dwarf and pygmy sperm whale), and Ziphiidae (the beaked whales).