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