Assertion: art movement's work | /r/CapableOf | mark turning points
Facets:
value: in their stylistic evolution
type: TEMPORAL
Source sentences:
text: 1931 was a year when several Surrealist painters produced works which marked turning points in their stylistic evolution: Magritte's Voice of Space (La Voix des airs) is an example of this process, where three large spheres representing bells hang above a landscape.
text: 1931 marked a year when several Surrealist painters produced works which marked turning points in their stylistic evolution