Assertion: gastropod | /r/HasProperty | valuable
Facets:
value: for many animals, including humans
type: OTHER
value: economically
type: DEGREE
value: as food
type: MANNER
Source sentences:
text: Gastropods are economically valuable as food for many animals, including humans.
text: Most molluscs with shells can produce pearls, but only the pearls of bivalves and some gastropods, whose shells are lined with nacre, are valuable.