ABCD

[[A pair of violets, colored red.]] Violets are red [[A blue rose.]] And roses are blue [[Two people stand on a stage. Between them is a table, on which rests the two flowers under a translucent cover. One is at a podium with a microphone.]] Person 1: When metamaterials [[The person at the microphone removes the cover to reveal the flowers are the opposite colors.]] Person 1: Alter their hue. {{Title text: If I developed a hue-shifting metamaterial, I would photobomb people's Instagram pics with a sheet of material that precisely undid the filter they were using.}}