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