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