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