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