Assertion: natural vanillin | /r/HasProperty | expensive
Facets:
value: much
type: DEGREE
value: at 4,000 per kilogram
type: OTHER
value: due to its characteristic aroma
type: CAUSE
Source sentences:
text: But the natural vanillin was much expensive than the other types of vanillin due to its characteristic aroma.
text: Natural vanillin also is very expensive, at $4,000 per kilogram.