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