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