Assertion: sulfur | /r/HasProperty | one of the most useful tools
Facets:
value: in organic production
type: LOCATION
Source sentences:
text: Sulfur is a natural byproduct of the fermentation process (yes, small amounts of sulfur can be found in bread too) and it is one of the most useful tools a winemaker has.
text: In organic production, sulfur is the most important fungicide.