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