REMOVE

1. viewers (observers)
2. paintings (visual works)
3. art museums

WHAT

1. Visual Works (hierarchy n … (1)
2. benches (furniture) (1)
3. color film (film) (1)
4. exhibitions (events) (1)

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WHERE

1. New York, New York (1)

WHEN

1. 1991 (1)
2. after 1991 (1)