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