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