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