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