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