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