Assertion: chloroform's use | /r/CapableOf | become popular
Facets:
value: hugely
type: DEGREE
value: following morton’s painless surgical procedure
type: TEMPORAL
value: in the 1940s
type: TEMPORAL
Source sentences:
text: In the 1940s, recreational use of solvents, primarily gasoline, became popular.
text: Following Morton’s painless surgical procedure, the use of ether in the operating theatre became hugely popular.