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