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