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