Assertion: frog's skin secretion | /r/HasProperty | nontoxic
Facets:
value: generally
type: DEGREE
Source sentences:
text: Not all dendrobatids are so poisonous or brightly coloured; many are patterned with shades of brown and well camouflaged (as in Colostethus), and their skin secretions are generally nontoxic and nonirritating.