Assertion: candle | /r/HasProperty | single source
Facets:
value: no longer
type: TEMPORAL
value: for artificial light
type: PURPOSE
Source sentences:
text: Candles have been used for thousands of years and up until the early 1900s they were the single source for artificial light.
text: Today, the candle is no longer the single source of light but is used abundantly in religious services as well as in birthday celebrations, holidays, and home decorations.