Assertion: painter's work | /r/CapableOf | use the stain technique
Facets:
value: from 1952
type: TEMPORAL
value: for the first time
type: MANNER
value: in sea
type: LOCATION
value: in mountains
type: LOCATION
Source sentences:
text: In Mountains and Sea, from 1952, a seminal work of Color Field painting by Helen Frankenthaler the artist used the stain technique for the first time.