This artist wrote “tell us when you first noticed the sky” in a collection with abstract dot-drawings called Acorn. “Anti-films” by this artist include slow-motion shots of burning matches. Viewers climb a ladder and use a magnifying glass to see a tiny “yes” on the ceiling in a piece by this artist. Performers enter a black bag where they can see but not be seen in a piece by this artist, which shares its name with their concept of “bagism.” (10[1])Instructions like “keep coughing a year” are collected in this artist’s (*) Grapefruit. This artist invited the audience to remove pieces of her clothing in one performance. This artist formed a “plastic band” with her husband, who posed nude with her in an Annie Leibovitz photo. For 10 points, name this Fluxus artist of Cut Piece who composed “Revolution 9” with John Lennon. ■END■