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