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