Question: Free dance is a 20th-century dance form, that preceded modern dance, rebelling against the rigid constraints of classical ballet, assisting was Loie Fuller, was an American dancer who was a pioneer of both modern dance and theatrical lighting techniques, she passed away on which date?
Sentence (from "Contemporary ballet"): Many of its attributes come from the ideas and innovations of 20th century modern dance, including floor work and turn-in of the legs.
Relevant evidence: No