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