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