Assertion: sea otter's diet | /r/HasProperty | mussel
Facets:
Source sentences:
text: Their diet includes clams, mussels, crabs, and sea urchins.
text: Other diets include crabs, snails, urchins, clams, mussels and other invertebrates.
text: The sea otter’s diet includes about 40 marine species, including urchins, crabs, clams, abalones, mussels, and snails.