Your goal is to find the secret four-color code. The following colors are possible: red, black, purple, brown, white, green.
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', 'brown', 'purple', 'white']. Hint: two colors are in the correct positions and one color is in the secret code but in the wrong positions.
Guess: ['red', 'black', 'black', 'white']. Hint: one color is in the correct position and one color is in the secret code but in the wrong position.
Guess: ['red', 'red', 'purple', 'purple']. Hint: two colors are in the secret code but in the wrong positions.
A B C D
green, brown, red, red purple, brown, red, white red, white, brown, green brown, green, red, red