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