Assertion: grape's sugar | /r/HasProperty | turned to alcohol
Facets:
value: years ago
type: TEMPORAL
value: by the yeast on the skins
type: OTHER
Source sentences:
text: Years ago the sugars in the grape juice were turned to alcohol by the yeast on the skins; today things are carefully controlled.
text: In 1975, Sutter Home's "White Zinfandel" wine experienced a stuck fermentation, a problem in which the yeast goes dormant, or in some cases dies off before all the sugar is turned to alcohol.