Assertion: lubricant's oil | /r/HasProperty | important
Facets:
value: historically
type: TEMPORAL
value: probably
type: DEGREE
value: increasingly
type: DEGREE
Source sentences:
text: Thus, synthetic-based oils will probably be increasingly important as natural reserves dwindle.
text: Whale oil was a historically important lubricant, with some uses up to the latter part of the 20th century as a friction modifier additive for automatic transmission fluid.