Assertion: fur seal's diet | /r/MadeOf | shellfish
Facets:
value: mostly
type: DEGREE
value: like mussels
type: OTHER
value: like clams
type: OTHER
Source sentences:
text: Their diet consists mostly of fish, crustaceans and shellfish.
text: The diet of walruses, on the other hand, consists mostly of shellfish, like clams and mussels, which they suck up off the ocean floor.