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