Assertion: opal | /r/HasProperty | sensitive
Facets:
value: very
type: DEGREE
value: to sudden changes in temperature
type: CAUSE
value: due to their water content
type: CAUSE
value: to sudden temperature fluctuations
type: CAUSE
Source sentences:
text: Opals are very sensitive to sudden temperature fluctuations.
text: Due to their water content, opals are also highly sensitive to sudden changes in temperature.