Your goal is to find the secret four-color code. The following colors are possible: green, brown, purple, red, orange, black.
Some guesses have already been made. I will provide feedback for each guess made with which it is possible to unambigiously determine the secret code.

Previous Guesses:
Guess: ['black', 'green', 'brown', 'purple']. Hint: three colors are in the secret code but in the wrong positions.
Guess: ['green', 'brown', 'red', 'brown']. Hint: one color is in the secret code but in the wrong position.
Guess: ['brown', 'purple', 'orange', 'black']. Hint: one color is in the correct position and two colors are in the secret code but in the wrong position.
Guess: ['purple', 'orange', 'green', 'black']. Hint: four colors are in the secret code but in the wrong positions.
A B C D
orange, orange, green, orange black, purple, red, red orange, purple, black, green green, red, purple, black