Assertion: gas's carbon dioxide | /r/Synonym | the byproduct of fermentation
Facets:
value: for beverages
type: PURPOSE
value: from ancient times
type: TEMPORAL
Source sentences:
text: Carbon dioxide has been known from ancient times as the byproduct of fermentation, particularly for beverages, which was first documented dating from 7000–6600 B.C. in Jiahu, China.