Assertion: seaweed | /r/CapableOf | produce poison
Facets:
value: occasionally
type: DEGREE
Source sentences:
text: Two other seaweeds, Gracilaria coronopifolia and Gracilaria tsudai, usually are considered nontoxic, but occasionally may produce poisons associated with GI symptoms when ingested.
text: The seaweed occurs worldwide and resembles dark matted clumps of hair (gray, greenish-black, reddish and yellow colors) and produces two toxins that cause skin irritation.