Assertion: graffiti | /r/HasProperty | the most powerful art movement
Facets:
value: without question
type: OTHER
value: in recent history
type: TEMPORAL
Source sentences:
text: Marc Ecko, an urban clothing designer, has been an advocate of graffiti as an art form during this period, stating that "Graffiti is without question the most powerful art movement in recent history and has been a driving inspiration throughout my career.