Installing new light fixture (WIRING: which colour goes with which colour)?

Please help! its for our dimmable light fixture in our dining room.


Thanks! :)
Update: UPDATE: I attached green to copper, white to white, black to black, and left the red by itself- light will turn on, but when I try to turn it off with the light switch it doesn't work. (light stays on) We also tried, green to copper, white to white and black to RED, with the extra black by itself - lights... show more UPDATE:
I attached green to copper, white to white, black to black, and left the red by itself- light will turn on, but when I try to turn it off with the light switch it doesn't work. (light stays on)

We also tried, green to copper, white to white and black to RED, with the extra black by itself - lights wouldn't turn on at all :(
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