Assertion: concerto's movement | /r/HasProperty | variation
Facets:
value: on material
type: OTHER
value: from the first
type: TEMPORAL
Source sentences:
text: In the end, Székely received his three movements, while Bartók received his variations: the second movement is a formal set of variations, and the third movement is a variation on material from the first.
text: The middle movement (in E minor) is a theme and five variations and is a dazzling example of Prokofiev expressing his slightly sarcastic wit in musical terms.