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