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