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