Assertion: sourdough | /r/HasProperty | leavened by one or more species
Facets:
value: in the same dough
type: OTHER
value: usually
type: OTHER
Source sentences:
text: Baker’s yeast is a single species, with hundreds of strains and varieties, while sourdoughs are usually leavened by one or more species in the same dough, none of which is baker’s yeast.